Angles and Lines
Tests knowledge of interior angles in polygons and complementary/supplementary angle relationships
Questions
What is the sum of the interior angles of a triangle?
- 180°
- 270°
- 360°
- 540°
What is the sum of the interior angles of a quadrilateral?
- 360°
- 540°
- 720°
- 1080°
What is the sum of the interior angles of a pentagon?
- 540°
- 720°
- 900°
- 1080°
What is the sum of the interior angles of a hexagon?
- 720°
- 900°
- 1080°
- 1260°
What is the sum of the interior angles of a heptagon?
- 900°
- 1080°
- 1260°
- 1440°
What is the sum of the interior angles of an octagon?
- 1080°
- 1260°
- 1440°
- 1620°
What is the sum of the interior angles of a nonagon?
- 1260°
- 1440°
- 1620°
- 1800°
What is the sum of the interior angles of a decagon?
- 1440°
- 1620°
- 1800°
- 1980°
What is the sum of the interior angles of an n-gon?
- (n-2) * 180°
- (n-3) * 180°
- (n-4) * 180°
- (n-5) * 180°
What is the measure of an angle that is complementary to a 30° angle?
- 60°
- 90°
- 120°
- 150°
What is the measure of an angle that is supplementary to a 120° angle?
- 60°
- 90°
- 120°
- 180°
What is the measure of an angle that is twice the size of its complementary angle?
- 30°
- 45°
- 60°
- 75°
What is the measure of an angle that is three times the size of its supplementary angle?
- 45°
- 60°
- 75°
- 90°
In a triangle, the measure of one angle is twice the measure of the second angle, and the measure of the third angle is three times the measure of the second angle. What is the measure of the largest angle?
- 60°
- 90°
- 120°
- 150°
In a quadrilateral, the measure of one angle is 100°, the measure of the second angle is 120°, and the measure of the third angle is 140°. What is the measure of the fourth angle?
- 100°
- 120°
- 140°
- 160°