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Please answer the picture which is about Vertical Angles

Please answer the picture which is about Vertical Angles-example-1
User Kroofy
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1 vote

Answer:

a = 138

Explanation:

< RON = 90 since it is a right angle

RON is formed by 2 angles ROQ and QON

ROQ + QON = 90

48 + QON = 90

QON = 90-42

QON = 42

We know that QOP is a straight line

QOP = 180

QOP is formed by 2 angles QON and NOP

QON + NOP = 180

42+ NOP = 180

NOP = 180-42

NOP =138

a = NOP = 138

User David St Denis
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