Area and Perimeter in Regular Polygons

Find the area of a regular hexagon with a side length of 9 cm.

• 210.4 cm²

• 230.1 cm²

• 237.0 cm²

• 260 cm²

Find the area of a regular hexagon with a perimeter of 48 yards.

• 137.5 yards²

• 145.2 yards²

• 152.9 yards²

• 166.3 yards²

In the formula for calculating the area of a regular polygon, p = permeter, s = length of one side, and n = number of sides.

• true

• false

Find the area of a regular nonagon with a perimeter of 108 miles.

• 805.6 square miles

• 830.7 square miles

• 850.5 square miles

• 890.2 square miles

What is the length of the side of a regular decagon with an apothem length of 13 ft? Round to the tenth.

Mathematical Equivalence

ON

The area of a regular polygon inscribed in a circle can be calculated by using a formula: Match each of the following

• Apothem

• 1/2 the side length

• Doesn't have a match

• Bisected Central Angle

• Radius

Find the area of a regular  dodecagon with a perimeter of 144 cm.

• 1247 cm²

• 1523 cm²

• 1612.2 cm²

• 1845 cm²

A regular decagon has a perimeter of 10 m, and an apothem of 1.5 m. What is the area of the decagon?

• 300 m²

• 30 m²

• 75 m²

• 7.5 m²

Find the area

• 96 cm²

• 48 cm²

• 36 cm²

• 48 cm

Find the area.

• 50.4

• 700.56

• 100.08

• 1401.12