Math, asked by dolllll, 11 months ago

plz answer 7 and 8th a d also explain

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Answers

Answered by shelly81verma

1

Answer:

DCB+CBA=180 ( adjacent angles )

DCB + 120=180

DCB= 180-120

DCB=60

Answered by dishaa234

0

Answer:

angle C=60°

/_ A and. D=90°

dc ||ab

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