Question

Find the length of the hypotenuse of 45° -45° -90° triangle with leg length 13 √2.

SOMEONE PLEASE help

Answer 1

We use the Pythagorean theorem in the isosceles right triangle:

`( 13√(2) )^(2) = l^(2)  + l^(2) ;\\Then, 338 = 2l^(2) ;l^(2) = 169;\\l = √(169);\\ l = 13;`

Explanation: