Math, asked by aryan5798, 1 year ago

help me out........ plzz

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Answered by arinjayjain24

3

EBC + ABC = 180 (they form a linear pair)

ABC = 180 - EBC = 70

ABC = ACB (Sides opposite to equal sides are equal)

ACB = 70

ACD + ACB = 180 (Linear pair)

ACD = 110

ACD + ADC + DAC = 180 (Angle sum property of triangle)

110 + 30 + DAC = 180

DAC = 180 -140 = 40

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