Trapezoids have one angle of 68 degrees and 71. Find the other angles of the trapezoids.

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

Angle ВAD + ABC = 180.

AВD = 180 – ВAD = 180 – 68 = 112.

Angle ADС + ВСD = 180.

ВСD = 180 – ADС = 180 – 71 = 109.

Answer: The angles of the trapezoid are 112 and 109.



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