how do you find the perimeter of a right angle triangle with these numbers:25, 3x, x 25 is the hypotenuse, 3x is the bottom leg and x is the side leg?
Using Pythagoras we have:
x^2 + (3x)^2 = 25^2
or: 10x^2 = 625
x = sqrt(62.5) → 7.906
The perimeter is now found from 4x + 25
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