SOLUTION: If I have a 4 sided polygon and one side is 68 degrees and 100 degrees and a 90 degree angles, how do I find what a is?

SOLUTION: If I have a 4 sided polygon and one side is 68 degrees and 100 degrees and a 90 degree angles, how do I find what a is?

Algebra.Com

Question 555570: If I have a 4 sided polygon and one side is 68 degrees and 100 degrees and a 90 degree angles, how do I find what a is?
Answer by mathstutor494(120) (Show Source): You can put this solution on YOUR website!
Sum of interior angles of 4 sided polygon = 360 degree
Hence fourth angle is = 360-100-90-68
102 Degree
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