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Answer:
angle P+angle Q??
Step-by-step explanation:
Answer:
144°
Step-by-step explanation:
∠P = ∠Q = 2 ∠PRQ
Let consider ∠P = ∠Q = x and ∠PRQ = y
∠Q = 2 ∠PRQ
x= 2y
y = x/2
sum of interior angle of triangle = 180°
x + x + y = 180°
2x + x/2 = 180°
x = 72
∠P = ∠Q = 72°
∠PRQ = 36°
Straight line angle = 180°
so ∠PRS = 180 - ∠PRQ = 180° - 36° = 144°
∠PRS = 144°