Question

In ∆PQR,∠P=72°,∠Q=28°,∠R=?

90°

100°

80°

180°


plzz fast answer


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Answer 1

Answer:

80° is the answer

Explanation:

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Answer 2

Answer:

72+28+angle r = 180° (angle sum property)

100 + angle r = 180°

angle r =180-100

angle r = 80°

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