Area of Regular Polygons Chapter 8 Concept Check

Find the area of the regular polygon. Round your final answer to the nearest tenth.

• 232.9 units²

• 160.3 units²

• 116.5 units²

• 58.2 units²

Find the area of the regular polygon. Round your answer to the nearest tenth.

• 254.6 units²

• 420.9 units²

• 332.6 units²

• 187.1 units²

Which part of the polygon is 6 km in length?

• Side length

• Radius

• Apothem

Find the area of the regular polygon. Round to the nearest tenth.

• 160.5 km²

• 166.2 km²

• 173.8 km²

• 182.4 km²

What part of the polygon has a length of 7 units?

• Side length

• Radius

• Apothem

What part of the polygon measures 7 mm?

• Side Length

• Radius

• Apothem

What is the interior angle sum of an 11 sided polygon?

• 1980

• 2340

• 1620

• 1800

What is the exterior angle sum of a nonagon (nine sides)?

• 360

• 1620

• 1260

• 20

What is the measure of each interior angle in a decagon?

• 144

• 180

• 216

• 120

What is the measure of each exterior angle in a hexagon?

• 60

• 30

• 120

• 108