Question

Find the measure of the unknown angle for the following.

1. a triangle with angle measures of 66° and 77°

2. a right triangle with one angle measure of 36°

3. a quadrilateral with angle measures of 144°, 84°, and 48°

4. Divide a six-sided polygon into triangles to find the sum of its interior angles.​

Answer 1

1. 37°

2. 54°

3. 84°

Explanation:

1. 180-(66+77)=37°

2. 180-(90+36)=54°

3. 360- (144+84+48)