Question

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Answer 1

Answer:

110 + CAB = 180 ( Linear pair)

CAB = 70°

BCA = DCE ( V. O. A)

BCA = 50°

A + B + C = 180 ( Angle sum property)

70 + 50 + B = 180

B = 60°

Answer 2

Step-by-step explanation:

∠B = 180° – [(180° – 110°) + 50°] = 60°.

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