SSC CGL 9 Aug 2015 Shift 1 Paper

Question : 106 of 200

Marks: +1, -0

In a parallelogram PQRS, angle P is four times of angle Q, then the measure of ∠R is

Solution:

∠SPQ + ÐPQR = 180°
⇒ 4 ∠PQR + ∠PQR = 180°
⇒ 5 ∠PQR = 180°
⇒ ∠PQR =

{180°}/5

= 36°
∴ ∠SRQ = 180° – 36° = 144°

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