Math, asked by kavithakasala, 1 month ago

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Answered by biswaspramila347

1

Answer:

80°

please mark me brainliest

Answered by 15799

0

Answer:

angle sum property of quadrilateral = 360

120 + 90 + 90 + EDC = 360

Angle EDC = ECD (angles opposite equal sids are equal)

solving the equation above

EDC = 60

EDC = ECD = 60

CORRECT OPTION

C)60°

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