Question

What is the measure of POR?

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Answer 1

∠ PQR = 55°

Explanation:

∠ QPR = 74° ( vertical angles )

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the 2 given angles from 180°

∠ PQR = 180° - (74 + 51)° = 180° - 125° = 55°