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06/11/2023
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Indices amxa": am+n am-a" = am m-n aº = = am Area of sector= I xpr² 360 QUADRATIC FORMULA a = √am (am)n = amn -b√b²-4ac 29 ↓ Volume of Prism = cross-sectional area xlength or Jurds √ax√b = √ab √a ==√₁/₂ (a+√₁₂)³² = (a +√₁₂X₁ + √₂) √a + √b = nothing Completing the square ax²+bx+c x(x + b )² = 6²² + c Volume Volume= bxwxh or - Tir² h Cylinder egx²+2x+4 (2+1)³²-1+A (x+1)²+3 Volume of ругоміс Lo then idlue to = 0 → length of orce 360 3 bave x height crea area or trapesium útbxh 2 Surface area = 2mrlorh 2pr² x 2пи mean in grouped frequency table Formulas ↓ CIRCLES • TIR² = area ofcille • TxD or 2Fr= Gilcumference • x²+y²= r² cob JMC² frustum: of Cone I - Votcore 2 Lower bouna Statistics 2 560 number IN total in category 30 TOTAL =mid Value GCSE OCR Area of A MATHS =bxh Probability Sin 0 ½2 152 √3/2 90° 1 x frequeny x clan wath ONN- Frequency = frequency Density Trigonometry Exact Values Los tan 0 √3/2 1/53 ( 1/2 √3 total frequency undefined Meclion of Frequery = table IQR=UQ-LQ GEOMETRY + MEASURE √2 class width Scaile factor = Large side/ Small side S= T= n+1 2 devily = OTHER FORMULAS Speed distence time 0=5²¹ etc Trigonometry 7 PYTHAGORA! + TRIGONOMETRY ↓ Pythagorau thesrum a²4b²=(² ması volume Alternate Dat Similar shapes ->>> Opposite angle5 Pocatelogrom are the Soome congruency S-A-S side, angle, side R-H-S-> Right angie, hypolenuse, side S SS-> side, side, side AA-S-angle, angle side - AA H A x Co-interior/ Collesponding supplernaliay Same shape, different size eg reflected / rotated Angles match + Sides are Proportional same size, Saimes hape LIA unit cirle O a+b=130° x+y 190° Sine Rule Angles Sin SnB = Sn C a lengti b SIMA SIMB SIC Cosine Rule Angles = CosA=b²+(²-a² CAREA OF TRIANGLE absinc 2bc Length=a²=b²+c²-2bliojA
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