8.10 Recap

The Robinson’s built a deck around their rectangular swimming pool as shown below. The deck is the same width on all sides of the pool. What is the perimeter of the swimming pool?

• 118 feet
• 136 feet
• 140.5 feet
• 154 feet

The Robinson’s have ordered a new swimming pool cover. The surface of the entire pool, but none of the deck, will lie under the cover. How many square feet of material will be used to make the swimming pool cover?

• 1419 sq. ft.
• 798 sq. ft.
• 1392 sq. ft.
• 780 sq. ft.

A rectangle as shown has a length of 0.8 cm and a width of 1.2 cm. Six congruent circles, that each touch the rectangle at two points, are drawn inside the rectangle. Which is closest to the area of the shaded region in the rectangle?

• 0.96 square meters
• 0.83 square meters
• 0.75 square meters
• 0.21 square meters

A composite figure is shown. Which is closest to the area of this figure? (Use 3.14 for π.)

• 78 meters squared
• 85 meters squared
• 88 meters squared
• 93 meters squared

What is closest to the perimeter of this figure? (Use 3.14 for π.)

• 47 meters
• 43 meters
• 39 meters
• 23 meters

Amy has purchased a new wood stove. She is going to have the flooring in her great room replaced, as shown below. The carpet will cost $8.50 per square foot. How much will she spend?

• $45,696
• $1700
• $612
• $1904

A marketing company has designed a new bumper sticker as shown. To the nearest tenth, what is the area of the bumper sticker? Enter your answer using only the number; no units. (Use 3.14 for π.)

(a)  

Your local recreation department is constructing a fence around a children’s play area. How many feet of fencing will be needed? Enter your answer using only the number; no units.

(a)