Question

The hypotenuse of a right triangle is 20 centimeters, and the shorter leg is 12 centimeters. Find the length of the other leg.

Answer 1

use pythagoras

Answer 2

sounds like a quadruple-size 3-4-5 triangle to me!

Answer 3

use the formula

Other leg = Root (hypotenuse^2 - shortleg^2)

Answer 4

a^2+b^2=c^2 so rearrange to be 20^2-12^2=b^2
which equals 400-144=256
square root it = 16

Answer 5

20^2 = x^2 + 12^2

Answer 6

other leg = root(20^2 - 12^2) = root (400 - 144) = root(256) = 16
so the other leg is 16cm