Question

In a triangle , PQR, angle P= x degrees and angle Q= 2x degrees. What is the size of angle R?

Answer 1

Answer:

Angle R = 180 - 3x

Step-by-step explanation:

By angle sum property of triangle,

P + Q + R = 180

x + 2x + R = 180

Angle R = 180 - 3x

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