How do I use Pythagoras' Theorem to calculate the hypotenuse of a triangle?
[use of board] So, Pythagoras' theorem states that a^2+b^2=c^2. Therefore, we need to mark the triangle with a, b &c. a and b do not matter, c must be the longest edge, that creates the diagonal. Put the lengths a and b into the theorem. According to BIDMAS, you must square the numbers first, then add them together afterwards. This will give you a value for c^2. Use a calculator (or your brain) to find the square root of this number... This will leave you with c, the hypotenuse.
CT
Related Maths GCSE answers
All answers ▸Expand (x+3)(x+4)
Sue has 2 cats. Each cat eats 1 4 of a tin of cat food each day. Sue buys 8 tins of cat food. Has Sue bought enough cat food to feed her 2 cats for 14 days? You must show how you get your answer.
What are the roots of the graph of this equation: x^2 + 9x + 18 = 0
Given the functions f(x) = (x + 2)/9 and g(x) = x^3 + 6, find fg(x).