Given an ABCD trapezoid angle D = 20 degrees find the angle A, B, C.
| December 6, 2020 | education
Angle C is equal to angle A, and they are equal to 180 ° – 20 ° = 160 °.
Angle D is equal to angle A and they are equal to 20 °. All of the above is included in the trapezoid properties.
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