Question

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​

Answer 1

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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Answer 2

Step-by-step explanation:

130° is your answer...

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