Maths 1-9 course Equations 4.0 / 5 based on 4 ratings ? MathematicsEquationsGCSEOCR Created by: MadisonRodwellCreated on: 24-05-17 19:31 how do you work out the area of a rectangle? length x width 1 of 18 how do work out the area of a parallelogram? base x height 2 of 18 how do work out the area of a triangle? 1/2 x base x height 3 of 18 how do you work out the area of a trapezium? 1/2 (a+b) x height 4 of 18 how do you work out the circumference? 2 x π x radius OR π x diameter 5 of 18 how do you work out the area of a circle? π x radius² 6 of 18 what is the sine rule? SinA/a = SinB/b = SinC/c 7 of 18 what is the Cosine rule? a²=b²+c²=2bc CosA 8 of 18 what is the area of the triangle using trigonmetery? 1/2 abSinC 9 of 18 how do you work out speed? distance/time 10 of 18 how do you work out density? mass/volume 11 of 18 how do work out pressure? force/area 12 of 18 how do you work out the area of a cuboid? length x width x height 13 of 18 how do you work out the area of a prism? (area of cross section) x lenth 14 of 18 how do you work out the area of a cylinder? (πr²) x height 15 of 18 how do you work out the area of a pyramid? 1/3 x base area x height 16 of 18 what is the formulae for pythagoras? a²+b²=c² 17 of 18 what is a way to remember trigonometry? SOH CAH TOA 18 of 18
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