My Math Forum What is leg length and how do I do this question?

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 January 20th, 2017, 06:24 PM #1 Newbie   Joined: Jan 2017 From: ? Posts: 2 Thanks: 0 What is leg length and how do I do this question? Find the area of the right triangle with hypotenuse length 17cm and one leg length 15cm Don't tell me the answer instead the formula thanks
 January 20th, 2017, 06:53 PM #2 Member   Joined: Oct 2016 From: Melbourne Posts: 77 Thanks: 35 If you have a right angle triangle, the three sides are related by Pythagoras' Theorem: \displaystyle \begin{align*} a^2 + b^2 = c^2 \end{align*} (note that c is always the Hypotenuse). That means that if you have any two sides, you can use Pythagoras' Theorem to find the third. Thanks from ghira001
January 21st, 2017, 03:57 PM   #3
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 Originally Posted by Prove It If you have a right angle triangle, the three sides are related by Pythagoras' Theorem: \displaystyle \begin{align*} a^2 + b^2 = c^2 \end{align*} (note that c is always the Hypotenuse). That means that if you have any two sides, you can use Pythagoras' Theorem to find the third.
area = ab/2.

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