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Step-by-step explanation:
SINCE AP || BQ
THEREFORE anglePAB+angleQBA= 180 (CO-INTERIOR ANGLE)
anglePAB +( angleABR +angle QBR)=180
120 + angle ABR + 20 = 180
angle ABR = 180 - 140
= 40
HENCE
angleABR = 40
Answered by
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Answer:
I think 40 is your answer.. nice handwritting
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