Interior Angles of Polygons Quiz

What is the sum of interior angles in a triangle?

• 90°

• 360°

• 270°

• 180°

What is the sum of interior angles in a quadrilateral?

• 450°

• 360°

• 540°

• 270°

How many sides does a pentagon have?

• 6

• 4

• 3

• 5

What is the sum of interior angles in a hexagon?

• 780°

• 720°

• 660°

• 600°

What is the sum of interior angles in a heptagon?

• 1020°

• 840°

• 900°

• 960°

How many sides does an octagon have?

• 9

• 7

• 8

• 10

What is the sum of interior angles in a nonagon?

• 1080°

• 1140°

• 1260°

• 1200°

What is the sum of interior angles in a regular decagon?

• 1260°

• 1320°

• 1380°

• 1440°

What is the formula for the sum of interior angles in any polygon?

• (n-3) × 180°

• (n-2) × 180°

• (n-4) × 180°

• (n-1) × 180°

What is the formula for each interior angle of a regular polygon?

• (n-1) × 180° / n

• (n-2) × 180° / n

• (n-3) × 180° / n

• (n-4) × 180° / n