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The measure of ∠B is 60°
Step-by-step explanation:
∠C = 50° as they both are vertically opposite to each other
∠B = x
Exterior Angle = 110°
Exterior Angle Property states that the sum of interior opposite angles is the exterior angle.
50° + x = 110° (Exterior Angle Property)
x = 110° - 50°
x = 60°
Hence, the measure of ∠B is 60°
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