Maths revision

Description

flashcards for gcse - includes formulae and facts
Hannah C
Flashcards by Hannah C, updated more than 1 year ago
Hannah C
Created by Hannah C over 9 years ago
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Resource summary

Question Answer
area of a circle
circumference of a circle pi d
area of a sector angle (circle with line) ------------------------- 360
arc length angle (circle with line) ---------------------------------------- x pi d 360
surface area of a cone pi r l l= sloping edge
surface area of a sphere 4 pi r squared
surface area of a cylinder 2 pi r squared + 2 pi r h h= height
interior angle + exterior angle = ? interior + exterior = 180 degrees
all exterior angles of polygon = add up to 360 degrees
how do you work out the sum of the interior angles? (n-2) x 180 n= number of sides
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