Question

Which triangle’s unknown side length measures 7 units?

A right triangle with a side length of 5 and hypotenuse with length StartRoot 74 EndRoot.
A right triangle with a side length of StartRoot 18 EndRoot and hypotenuse with length 5.
A right triangle with a side length of StartRoot 6 EndRoot and hypotenuse with length StartRoot 43 EndRoot.

A right triangle with a side length of StartRoot 2 EndRoot and hypotenuse of 4.

Answer 1

It'll be the first answer

Step-by-step explanation:

got it right on edge 2021

Answer 2

Here’s your answer mate: