What is Pythagoras' Theorem and how do you use it?
Pythagoras' Theorem: a2 + b2 = c2 where a, b, c relate to the sides of a right-angled triangle, and c is the hypoteneuse.
Use the equation to find the length one side if you only know the lengths of two of the sides.
HS
Related Maths GCSE answers
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A circular table has a diameter 140 cm. Calculate the area of the table in cm^2, leaving your answer as a multiple of pi.