Respuesta :

22stolc

Answer:

50 degrees

Step-by-step explanation:

First, look at the exterior angle with the measure of 140 degrees. The corresponding interior angle has a measure of 40 degrees. Add together 90 and 40 and subtract that sum from 180

180 - (90 + 40)      Add in the parentheses

180 - 130               Subtract

50 degrees

SoonToBeKing10
the answer is 50 degrees

explanation: at the bottom of the triangle you get a supplementary angle which when you add both angles up they equal 180 degrees and one of the angles are 140. se you subtract 140 from 180 and you get 40 degrees. they also give you the value of an angle inside of the triangle which is 90 degrees because of the square in the bottom left. now that you have two angles (40 & 90) add them up subtract them from 180 and you get 50.

hope this helped

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