find the angles of a rectangular trapezoid, if one of its penalties is 20 degrees?



The author posted a question in Homework

find the angles of a rectangular trapezoid, if one of its penalties is 20 degrees? and got a better answer

Response from Дима[+++]
90 90 20 and 160 - the sum of the angles of any trapeze should be 360 degrees. Shame on you, girl.

Response from 0[+++++]
90 90 20 and 160 - the sum of the angles of any trapezoid must be 360 degrees. Shame on the girl.

Response from 0[+]
20 90 90 90 and the fourth angle is 160 degrees.

Response from 0[+]
I remember from school 90 90 20 160

 

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