Question

Find the length of side AC.

A)
5/3
B)
5/2
102
D)
52
2
S.

Answer 1

• D. 5√2/2

Explanation:

Given triangle is right isosceles since one of the angles is 45°

Let the AC = x, then BC = x and AB is:

• x² + x² = 5²
• 2x²=5²
• x²= 5²/2
• x = 5/√2
• x = 5√2/2

Correct option is D