Question

What is the value of x in this figure?​

Answer 1

D

Explanation:

In a 30-60-90 triangle, if the short leg is x, then the long leg is x√3, and the hypotenuse is 2x.

Here, the hypotenuse is 10. So the short leg is:

10 = 2x

x = 5

If the short leg is 5, then the long leg is 5√3.