Answer:
80⁰
Explanation:
SPU = CPR = 40⁰ ( vertically opposite)
BPU + 40 + 60 = 180⁰ (straight line angle)
BPU = 180 - 100
BPU = 80⁰
80°
SPO+OPA+APC= 180°
(Angles on a straight line sum up to 180)
60+OPA+40=180
OPA=180-100
=80°
So, BPU is also 80°
(Vertically opposite angles are always equal)
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