Question

what is the value of x?
s
tr
15
x
r
x =

Explanation:

Step1: Identify the triangle type

Since \(\angle S=\angle T\), \(\triangle RST\) is an isosceles triangle.

Step2: Use the property of isosceles triangle

In an isosceles triangle, the sides opposite equal angles are equal. So \(x = 15\).

Answer:

\(15\)