Answer:
The correct answer option is D. 58.
Step-by-step explanation:
We are given a right angled triangle with a known side length for perpendicular and base and we are to find the value of x (hypotenuse).
For that, we will use Pythagoras Theorem.
[tex] x ^ 2 = 40 ^ 2 + 42 ^ 2 [/tex]
[tex] x ^ 2 = 1600 + 1764 [/tex]
[tex] x ^ 2 = 3364 [/tex]
Taking square root on both sides to get:
[tex] \sqrt { x ^ 2 } = \sqrt { 3364 } [/tex]
x = 58
