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Fun with Bearings: Easy Scale Drawing, Maths Questions, and Measurement Tips

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Fun with Bearings: Easy Scale Drawing, Maths Questions, and Measurement Tips
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Shaz

@shaz2007

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26 Followers

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This comprehensive guide covers bearings calculations and scale drawings for navigation. It provides step-by-step instructions, examples, and key concepts for accurately measuring and calculating bearings.

• Explains how bearings are measured clockwise from North using 3-digit numbers
• Demonstrates techniques for finding return bearings and allied angles
• Covers scale drawing methods for solving complex bearings problems
• Includes practice questions with detailed solutions using trigonometry and the cosine rule
• Provides tips on using Pythagoras' theorem to check scale drawing measurements

03/03/2023

1632

Bearings
10 Bearings are always measured from a Northline
clockwise.
N
3
(4)
You need to draw.
your north line in.
before measuring a
bearin

View

Page 2: Advanced Bearing Calculations

This page delves into more complex bearing calculations, including return bearings and multi-step problems.

Example: A walker travels 1200 m on a bearing of 165° and then another 1500 m on a bearing of 210°. The problem asks to find the distance from the starting point and the bearing to return to base.

The page demonstrates how to use scale drawings and trigonometric calculations to solve such problems. It introduces the concept of supplementary angles and the use of the cosine rule for non-right-angled triangles.

Highlight: When solving complex bearing problems, you may need to use Pythagoras theorem for right-angled triangles or the cosine rule for non-right-angled triangles.

This section is particularly useful for students preparing for trigonometry bearings questions and answers pdf and GCSE maths bearings and distance problems with solutions.

Bearings
10 Bearings are always measured from a Northline
clockwise.
N
3
(4)
You need to draw.
your north line in.
before measuring a
bearin

View

Page 3: Applying the Cosine Rule in Bearing Problems

This page focuses on using the cosine rule to solve a complex bearing problem.

Definition: Cosine Rule: a² = b² + c² - 2bc cos A, where A is the angle opposite side a in a triangle.

The page provides a step-by-step solution to find the return bearing in the walker problem introduced on the previous page. It demonstrates how to set up the cosine rule equation, solve for the angle, and then use this information to calculate the final bearing.

Highlight: To find a return bearing, subtract the calculated angle from 360°.

This detailed explanation is invaluable for students working on bearings Maths GCSE questions and answers and IGCSE bearing questions and answers PDF.

Bearings
10 Bearings are always measured from a Northline
clockwise.
N
3
(4)
You need to draw.
your north line in.
before measuring a
bearin

View

Page 4: Practical Applications and Complex Problems

The final page presents two complex bearing problems that integrate various concepts covered in the previous pages.

Problem 1 involves a coastguard spotting a boat and a tree, requiring students to draw a scale diagram and use Pythagoras theorem to verify their measurements.

Example: A coastguard spots a boat on a bearing of 040° and at a distance of 350 m. He can also see a tree due east of him. The tree is due south of the boat.

Problem 2 is a more complex scenario involving four towns and their relative positions using bearings and distances.

Highlight: When solving multi-step bearing problems, choose an appropriate scale for your diagram to ensure accuracy in measurements.

These problems provide excellent practice for students preparing for GCSE maths bearings and distance problems worksheets and measuring bearings using angles GCSE questions and answers.

Bearings
10 Bearings are always measured from a Northline
clockwise.
N
3
(4)
You need to draw.
your north line in.
before measuring a
bearin

View

Page 1: Introduction to Bearings

This page introduces the fundamental concepts of bearings in mathematics.

Definition: Bearings are always measured from a North line clockwise and are given as 3-digit numbers.

Example: 18° is written as 018° in bearing notation.

The page explains how to calculate bearings in various diagrams, emphasizing the importance of drawing a North line when it's not provided. It also covers the concept of allied angles and angles around a point.

Highlight: To find a bearing, remember that angles around a point add up to 360°, and allied angles add up to 180°.

Vocabulary: Allied angles - Two angles that add up to 180°.

This information is crucial for students tackling bearings GCSE maths grade 8 questions and answers.

Can't find what you're looking for? Explore other subjects.

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Fun with Bearings: Easy Scale Drawing, Maths Questions, and Measurement Tips

user profile picture

Shaz

@shaz2007

·

26 Followers

Follow

This comprehensive guide covers bearings calculations and scale drawings for navigation. It provides step-by-step instructions, examples, and key concepts for accurately measuring and calculating bearings.

• Explains how bearings are measured clockwise from North using 3-digit numbers
• Demonstrates techniques for finding return bearings and allied angles
• Covers scale drawing methods for solving complex bearings problems
• Includes practice questions with detailed solutions using trigonometry and the cosine rule
• Provides tips on using Pythagoras' theorem to check scale drawing measurements

03/03/2023

1632

 

10/11

 

Maths

54

Bearings
10 Bearings are always measured from a Northline
clockwise.
N
3
(4)
You need to draw.
your north line in.
before measuring a
bearin

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 2: Advanced Bearing Calculations

This page delves into more complex bearing calculations, including return bearings and multi-step problems.

Example: A walker travels 1200 m on a bearing of 165° and then another 1500 m on a bearing of 210°. The problem asks to find the distance from the starting point and the bearing to return to base.

The page demonstrates how to use scale drawings and trigonometric calculations to solve such problems. It introduces the concept of supplementary angles and the use of the cosine rule for non-right-angled triangles.

Highlight: When solving complex bearing problems, you may need to use Pythagoras theorem for right-angled triangles or the cosine rule for non-right-angled triangles.

This section is particularly useful for students preparing for trigonometry bearings questions and answers pdf and GCSE maths bearings and distance problems with solutions.

Bearings
10 Bearings are always measured from a Northline
clockwise.
N
3
(4)
You need to draw.
your north line in.
before measuring a
bearin

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 3: Applying the Cosine Rule in Bearing Problems

This page focuses on using the cosine rule to solve a complex bearing problem.

Definition: Cosine Rule: a² = b² + c² - 2bc cos A, where A is the angle opposite side a in a triangle.

The page provides a step-by-step solution to find the return bearing in the walker problem introduced on the previous page. It demonstrates how to set up the cosine rule equation, solve for the angle, and then use this information to calculate the final bearing.

Highlight: To find a return bearing, subtract the calculated angle from 360°.

This detailed explanation is invaluable for students working on bearings Maths GCSE questions and answers and IGCSE bearing questions and answers PDF.

Bearings
10 Bearings are always measured from a Northline
clockwise.
N
3
(4)
You need to draw.
your north line in.
before measuring a
bearin

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 4: Practical Applications and Complex Problems

The final page presents two complex bearing problems that integrate various concepts covered in the previous pages.

Problem 1 involves a coastguard spotting a boat and a tree, requiring students to draw a scale diagram and use Pythagoras theorem to verify their measurements.

Example: A coastguard spots a boat on a bearing of 040° and at a distance of 350 m. He can also see a tree due east of him. The tree is due south of the boat.

Problem 2 is a more complex scenario involving four towns and their relative positions using bearings and distances.

Highlight: When solving multi-step bearing problems, choose an appropriate scale for your diagram to ensure accuracy in measurements.

These problems provide excellent practice for students preparing for GCSE maths bearings and distance problems worksheets and measuring bearings using angles GCSE questions and answers.

Bearings
10 Bearings are always measured from a Northline
clockwise.
N
3
(4)
You need to draw.
your north line in.
before measuring a
bearin

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 1: Introduction to Bearings

This page introduces the fundamental concepts of bearings in mathematics.

Definition: Bearings are always measured from a North line clockwise and are given as 3-digit numbers.

Example: 18° is written as 018° in bearing notation.

The page explains how to calculate bearings in various diagrams, emphasizing the importance of drawing a North line when it's not provided. It also covers the concept of allied angles and angles around a point.

Highlight: To find a bearing, remember that angles around a point add up to 360°, and allied angles add up to 180°.

Vocabulary: Allied angles - Two angles that add up to 180°.

This information is crucial for students tackling bearings GCSE maths grade 8 questions and answers.

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the #1 education app in five European countries

4.9+

Average app rating

15 M

Pupils love Knowunity

#1

In education app charts in 12 countries

950 K+

Students have uploaded notes

Still not convinced? See what other students are saying...

iOS User

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

Philip, iOS User

The app is very simple and well designed. So far I have always found everything I was looking for :D

Lena, iOS user

I love this app ❤️ I actually use it every time I study.