Question

What is the value of X ?
A-17
B-26
C-39
D-41

Answer 1

D. 41

Explanation:

Use Pythagorean Theorem: a² + b² = c²

With that in mind, we already have a and b, so:

40² + 9² = c²

√(40² + 9²) = c

c = 41

And we have our final answer!