Angles and Polygons Multiple Choice

What is the sum of the interior angles in this shape?

• 1080

• 1440

• 1260

• 900

Find the value of x.

• 87°

• 54°

• 101°

• 92°

What is the sum of the interior angles of a pentagon?

• 540°

• 360°

• 720°

• 180°

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What is the size of each exterior angle in a regular octagon?

• 45°

• 40°

• 135°

• 360°

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A hexagon has interior angles of different sizes. If five of the angles are 120°, 130°, 140°, 150°, and 160°, what is the size of the sixth angle?

• 70°

• 60°

• 50°

• 40°

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Calculate the sum of the interior angles of a 12-sided polygon.

• 1800°

• 1440°

• 1620°

• 2160°

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What is the size of an exterior angle of a regular decagon?

• 36°

• 30°

• 45°

• 60°

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A polygon has 15 sides. What is the sum of its interior angles?

• 2340°

• 1800°

• 2160°

• 2520°

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In a regular polygon, each interior angle measures 160°. How many sides does the polygon have?

• 18

• 20

• 19

• 21

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A triangle's interior angles are in the ratio 2:3:4. What is the size of the largest exterior angle?

• 100°

• 60°

• 80°

• 140°

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DOK Level 1: Recall