Area and Perimeter and Complex Figures

What is the perimeter of the following figure? (round your answer to the nearest hundredth)

• 73.70 ft

• 54.85 ft

• 37.70 ft

• 18.85 ft

What is the area of the following figure? (round your answer to the nearest hundredth)

• 329.10 ft²

• 216 ft²

• 668.39 ft²

• 272.55 ft²

The diagram gives the dimensions of a swimming pool. If a cover is needed for the pool, what will be the approximate area of the cover? (round to the nearest hundredth)

• 720 ft²

• 592.77 ft²

• 211.06 ft²

• 465.53 ft²

What is the formula for the area of a circle?

• A=2πr

• A=2πd

• A=πr²

• A=2πr²

The figure is made up of a square and two semicircles. Find the perimeter.

• 8 m

• 41 m

• 23 m

• 16 m

Find the area of the composite figure:

• 40 ft²

• 9 ft²

• 49 ft²

• 61 ft²

Find the perimeter of the semicircle. Round your answer to the nearest hundredth, if needed.

• 23.13 m

• 28.26 m

• 18.26 m

• 37.26 m

What is the formula for the area of a trapezoid?

• A=bh

• A=1/2 bh

• A=1/2 (b₁+b₂) h

• A=πr²

What is the circumference of the following shape? (use an exact value)

• 14π mi

• 7π mi

• 49π mi

• 43.98 mi

What is the area of the following shape? (use an approximate value)

• 21.99 mi

• 43.98 mi

• 153.94 mi

• 615.75 mi