Finding Area of Regular Polygons

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 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

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

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

• Radius

• Bisected Central Angle

• Apothem

• 1/2 the side length

• Doesn't have a match

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

• 1247 cm²

• 1523 cm²

• 1612.2 cm²

• 1845 cm²

A ___________ polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length). 

• plain

• perfect

• regular

• magical

Find the area.

• 12.75

• 191.25

• 19.125

• 95.625

What is the formula for finding the area of a regular polygon?

• .5 * s * a * n

• 3 * s a

• .5 b * h

• .5 * d₁d₂

Find the area of the hexagon. (Hint: Multiply everything except √3.)

• 300√3

• 519.62

• 600√3

• 100√2