Question

Pls help me with this multiple choice !

Answer 1

A

Explanation:

since the angles are 45,45 the triangle is an Equilateral triangle

V=12

`{u}^(2) = {12}^(2) + {12}^(2) \\ {u}^(2) = 288 \\ u = √(288) = 12 √(2)`