Question

Geometry please help :)

Answer 1

Use Pythagorean theorem to solve for WU.
a^2 + b^2 = c^2
4^2 + 4^2 = c^2
16 + 16 = c^2
32 = c^2
Sqrt 32 = c
4sqrt2 = EXACT ANSWER
5.7 DECIMAL APPROXIMATION