If the sides of the right-angled triangle are labelled 𝑎, 𝑏 and 𝑐 then Pythagoras' theorem can be written as the formula 𝑎² + 𝑏² = 𝑐². Pythagoras' theorem can be used to find the length of line ...
Finding the surface area of a cylinder. VideoFinding the surface area of a cylinder A GCSE Maths video about working out the surface area of a cylinder. 3:44 Enlargements with fractional scale factors ...
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