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8 votes
8 votes
Geometry Question help?

Geometry Question help?-example-1
User Otaku
by
2.7k points

1 Answer

14 votes
14 votes

Measure of all angles must equal 180 degrees.

Therefore,
(4x+20) + (2x+34) + x = 180

6x + 54 + x = 180

7x + 54 = 180

7x = 126

x = 18

4(18)+20 = 92

Angle A = 92

2(18)+34 = 60
Angle C = 60 degrees

Unknown angle is 18 degrees because the "x" represents the third angle.

User Didats Triadi
by
3.2k points