Area of Circles and Regular Polygons

Find the area of the circle, round to nearest tenth:
d = 12 ft

• 11.3 ft²

• 452.2 ft²

• 113.0 ft²

• 115 ft²

What is the area of the shaded region? Round to the nearest hundredth.

• 8.38

• 2.09

• 33.49

• 14.19

Find the area of the circle, round to nearest tenth:
r = 15 cm

• 70.65 cm²

• 706.5 cm²

• 176.6 cm²

• 705 cm²

Find the area of sector.

What is the area of the shaded region? Round to the nearest hundredth.

• 1.26

• 452.39

• 9.42

• 113.10

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40

• 35

• 55

• 69

Find the area of the following polygon.

• 15 in²

• 240 in²

• 120 in²

• 20 in²

Find the area of the following polygon.

• 108 u²

• 1782 u²

• 445 in²

• 891 in²

The apothem of a 40-sided regular polygon is 11.4 meters. What is its area if each side measures 1.9 meters?

• 216.6 m²

• 433.2 m²

• 866.4 m²

• 1732.8 m²