the angle of quadrilateral are 90°, 60°and 80°and what is the measure of fourth angle... those who give me answer I will make them brain list
Answers
Answered by
8
Step-by-step explanation:
Let the measure of the 4th angle be x
90° + 60° + 80° + x = 360°
230° + x = 360°
x = 130°
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Answered by
4
Step-by-step explanation:
130° is your answer...
....
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