Question

find the unknown sizes of angles in the following figure.
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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

let angle S=x° and Angle R=2x

we know that

2x+x=87°( sum of interior oppo. angle = exterior angle)

3x=87°

x=29

then Angle P=Angle S (alt . int . oppo . angle) =29°

angle Q= angle R (alt . int . oppo . angle)= 2x= 58

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