Maths Equations 5.0 / 5 based on 4 ratings ? MathematicsEquationsGCSEAQA Created by: charlottehubbard01Created on: 18-01-18 15:59 What's the equation to find the area of a sector? x/360 x Area of a full circle (πr2) 1 of 39 What's the equation to find density? Density = Mass/Volume 2 of 39 What's the equation To find the gradient and the y intercept? y = mx + c 3 of 39 Whats the form of a general quadratic equation? ax2 + bx + c = 0 4 of 39 What's the equation for inverse proportion? y ∝ 1/x > y= k/x 5 of 39 What's the formula to find the volume of a cylinder? V = πr2h 6 of 39 What is the Sine Rule? a/Sin A = b/Sin B = c/Sin C 7 of 39 What is the formula to find the area of a trapezium? A = 1/2 (a+b) x h 8 of 39 What's the equation to find speed? Speed = Distance/Time 9 of 39 what's the equation to find the gradient of a line? M = y2-y1/ x2-x1 10 of 39 What's the equation to convert °c to °F? F= 9/5 c + 32 11 of 39 What's the formula to find the volume of a pyramid? V = 1/3 x c.s. x height 12 of 39 What is the formula for pythag theorm? a2 + b2 = c2 13 of 39 What is the Cosine Rule? a^2 = b2 + c2 - 2bc CosA 14 of 39 What is the formula for a volume of a cone? V = 1/3 x πr2 x h 15 of 39 What's the formula for the surface area of a cylinder? 2πrh + 2πr2 16 of 39 What's the formula to find the volume of a Frustrum? 1/3 x πr2h - 1/3 x πr2 x h (Initial volume of a cone - volume of removed cone) 17 of 39 What is the equation for surface area of a cone? πrl + πr2 18 of 39 What's the formula for compound growth or decay? N= Initial amount x (multiplier)n 19 of 39 What's the formula for pressure? pressure = Force / Area 20 of 39 How do you find the circumfrence of circle? πD 21 of 39 How do you find the surface area of a sphere? 4πr2 22 of 39 How do you find the volume of a sphere? 4/3 4πr3 23 of 39 What is the quadratic equation? . 24 of 39 What's the formula for direct proportion? y ∝ x > y= kx 25 of 39 What is the equation for the lenght of a line? . 26 of 39 What is the equation for the midpoint of a line? . 27 of 39 What is the equation for the length of the Arc? x/ 360 x circumfrence of a full circle (πD) 28 of 39 What's the Area of a circle? A = πr2 29 of 39 What's Sin 30° 1/2 30 of 39 What's Sin 60° . 31 of 39 What is Cos 45° . 32 of 39 What is Cos 60° 1/2 33 of 39 What is Sin 90° 1 34 of 39 What is Tan 60° . 35 of 39 What is Sin 45° . 36 of 39 What is Tan 45° 1 37 of 39 What is Tan 30° . 38 of 39 What is Cos 30° . 39 of 39
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