Question

solve this question
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Answer 1

angle A + angle B = 180°(co-int. angles)

1/2(A+B)=90

1/2(A+B)+ angle P =180°(Angle sum property)

angle P =180°-90°=90°

HOPE THIS WILL HELP U

Answer 2

Check out the attachment.
Hope it will help you if yes then please mark it as the brainliest.