From the given figure, find the value of ∠QPR.
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Your answer is 60 degree
As both triangles are equal and congruent by SAS
because PQ = AB
Angle ABC = Angle PQR
QR = BC
Therefore
Angle A = Angle P
3x = 2x+20
3x-2x = 20
x = 20
Therefore 2x + 20 = 60
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0
Answer:
Answer is 40
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