ABCD trapezoid. What are the angles B and C if the angle is A = 44 degrees and C = 158 degrees.

univerkov | July 5, 2021 | education

By the property of a trapezoid, the sum of the angles at the lateral sides of the trapezoid is 180.

Angle BAD + ABC = 180.

Angle ABC = 180 – BAD = 180 – 40 = 140.

Angle ВСD + СDА = 180.

Angle CDA = 180 – BCD = 180 – 158 = 22.

Answer: Angle B is 140, Angle D is 22

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