Respuesta :

Answer:

∠ STR = 64°

Step-by-step explanation:

Since RS = ST then the triangle is isosceles and the base angles are congruent, that is

∠ STR = ∠ SRT , then

∠ STR = [tex]\frac{180-52}{2}[/tex] = [tex]\frac{128}{2}[/tex] = 64°

ricchad

Answer:

64°

Step-by-step explanation:

∠STR = 180 - 52

                  2

          = 64°