Question

If PQS = 130 and QPR = 60 , then the value of PRQ is:

Answer 1

External Angle (PQS)= 130°

Two Opposite Internal Angles (QPR)&(PRQ)

EXTERNAL ANGLE=SUM OF TWO OPPOSITE INTERNAL ANGLES

PQS = QPR+PRQ

Let PRQ be x

130°=60°+x

x=130°-60°

x=70°

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