 # GCSE Maths Equations

Flashcards by , created 4 months ago

## All the equations you need to know for the GCSE Maths paper 7 1 0  Created by Phoenix Featherstone 4 months ago
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 Question Answer area of a regular triangle 1/2 x base x height Pythagoras theorum a2 + b2 = c2 area of an irregular triangle 1/2absinC 1/2bcsinA 1/2acsinB cosine rule for lengths a2 = b2 + c2 - 2bccosA sine rule for lengths a/sinA = b/sinB = c/sinC volume of a prism cross section x length quadratic formula Quadratic Formula (binary/octet-stream) percentage change difference/original x 100 percentage of something amount/total x 100 area of a rectangle length x width area of a parallelogram base x height area of a trapezium 1/2 x (a+b) x h circumference of a circle πd 2πr area of a circle πr2 volume of a rectangle length x width x height volume of a cylinder πrh volume of a pyramid 1/3 x area of base x height working out speed speed = distance/time working out density density = mass/volume working out pressure pressure = force/area size of one exterior angle 360/number of sides 360/n number of interior angles (sides-2)180/sides (n-2)180/n compound interest Th Kh371 Djp (binary/octet-stream) cosine rule for angles a2-b2+c2 / 2bc