∠R = 60°. Find ∠S. Is this quadrilateral convex or concave?

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165. In a quadrilateral PQRS, ∠P = 50°, ∠Q = 50°, ∠R = 60°. Find ∠S. Is this quadrilateral convex or concave?
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165. In a quadrilateral PQRS, ∠P = 50°, ∠Q = 50°, ∠R = 60°. Find ∠S. Is this quadrilateral convex or concave? ∠P = 50° ∠Q = 50° ∠R = 60°. Find ∠S. Is this quadrilateral convex or concave? 165. In a quadrilateral PQRS July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter [...]
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