Question

Plz help ASAP 20 points What is m A.39°
B. 51°
C.70.5°
D.78°

Answer 1

Answer : 15


Step-by-step explanation:

Answer 2

Answer: 51

Step-by-step explanation: QTR is the inscribed angle, so QTR = 1/2 * QSR, so QSR = 78. QSR is an isosceles triangle, since it uses the radius of the circle twice, so QRS = (180 - 78)/2 = 51