A quadrilateral has three acute angles each measures 80°. What is the – InterviewSolution

1.

A quadrilateral has three acute angles each measures 80°. What is the measure of the fourth angle?

Answer»

We know that Sum of angles of a quadrilateral is = 360°

So,

80° + 80° + 80° + x° = 360°

x° = 360° – 240°

x° = 120°

∴ Value of fourth angle is 120°

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