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

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

 

Grade:12

1 Answers

Vishnu Vardhan
13 Points
3 years ago
Sum of all the angles in a quadrilateral is 360.
Sum of three angles,each 80° is 240°
so total angles(360°) - sum of three angles (240°)= 120°
So,the remaining angle is 120°.

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