Question

In quadrilateral PQRS, if ∠P = 60° and ∠Q : ∠R : ∠S = 7 : 3 : 5, then find the measure of ∠S.
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Answer 1

Answer : 100°

Step-by-step explanation :

Angle sum property of a quadrilateral is that all angles of a quadrilateral always sum up to 360 degrees.

So, let is take the value of ∠Q = 7x, ∠R = 3x and ∠S = 5x

60 + 7x + 3x + 5x = 360

15x = 300

x = 20

The value of ∠S = 5(x) = 5(20) = 100

Answer 2

Answer:

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