In a trapezoid, three interior angles measure 80°, 100°, and 140°. What is the measure of the fourth interior angle.

Question

Mathematics

Cierra

7 March, 13:31

In a trapezoid, three interior angles measure 80°, 100°, and 140°. What is the measure of the fourth interior angle.

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Answers (2)

Know the Answer?

Brian Lamb · Answer 1

The fourth angle will be 40 degrees

Jace · Answer 2

All four-sided figures' interior angles will always add up to 360*. Therefore, the final angle is 40*, found by adding up all the values you have and subtracting them from 360.