Question

12. Find the missing angles of the quadrilateral ACBD in the given figure.​

Answer 1

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In Triangle ADC By angle sum property of triangle

40+70+ADC=180

ADC=180-110

ADC=70

Now in Triangle DBC

As DB=BC

So Angle BCD=BDC=x

So in triangle DBC by angle sum property of triangle

80+ x + x = 180

2x=100

x=50

So BCD=BDC=50

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Answer 2

Answer:

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