Question

select the correct answer. what is the value of x? a. 10.6 b. 15 c. 21.2 d. 7.5

Explanation:

Step1: Identify triangle type

This is a right - isosceles triangle since one angle is 90° and another is 45°. In a right - isosceles triangle, the two legs are of equal length.

Step2: Determine the value of x

The side opposite the 45° angle and the side of length 15 are the legs of the right - isosceles triangle. So, $x = 15$.

Answer:

B. 15