Find Area of a Regular Polygon

What is the area of a regular octagon having an apothem of 13.3 meters and a side length of 11 meters?

• 585.2 m²

• 1170.4 m²

• 292.6 m²

• 2340.8 m²

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

• A = ½ ∙P∙ a

• A = 2 ∙P∙ a

• A = ½ ∙b ∙h

• A = ½ ∙d₁d₂

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 of the shaded region.

• 13.5

• 54

• 67.5

• 13.5

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

• 300√3

• 519.62

• 600√3

• 100√2

What does the 'a' stand for in the following formula?

• area 

• apossum

• altitude

• apothem

What would be the first step in finding the area of the pentagon?

• draw in the apothem

• calculate the length of the side

• calculate the length of the radius

• find the angle measure

What is the area?

• 173.832 u²

• 21.729 u²

• 43.458 u²

• 347.664 u²

A regular heptagon has sides measuring 26 mm and is divided into 7 congruent triangles. Each triangle has a height of 20 mm. What is the area of the heptagon?

• 74.28 mm²

• 1,274 mm²

• 3,640 mm²

• 1,820 mm²

Find the area of a regular hexagon with a perimeter of 60 ft.

• 150√3 ft²

• 150 ft²

• 60√3 ft²

• 300√3 ft²