Mathematics
In the following figure, find the value of x:
Triangles
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Answer
From figure,
△PRS is an isosceles triangle with PR = SR.
∴ ∠S = ∠RPS = 30°.
∠QPS = ∠QPR + ∠RPS = 52° + 30° = 82°.
Since, sum of angles of triangle = 180°.
Considering △PQS we get,
⇒ ∠P + ∠Q + ∠S = 180°
⇒ 82° + x° + 30° = 180°
⇒ x° + 112° = 180°
⇒ x° = 180° - 112° = 68°.
Hence, x = 68°.
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