UNIT 7 DCA TEST REVIEW

The average male foot length is 10.6 inches.  There are approximately 2.54 centimeters in 1 inch.  About how long is the average male foot in centimeters?

• 13.14 cm

• 4.17 cm

• 8.06 cm

• 26.9 cm

Jackson’s puppy eats 24 ounces of food every day. An object with a weight of 1 ounce has a mass that is approximately equal to 28.3 grams. Which measurement is closest to the number of grams of food Jackson’s puppy eats every day?

• 679.2 g

• 548.2 g

• 1.2 g

• 52.3 g

The circumference of a circle is C feet. The diameter of the circle is 16 feet. Which expression best represents the value of π? Use 3.14 for π.

• c/8

• c/16

• 16/c

• 8/c

The radius of circle A is one-third the radius of circle B. The radius of circle B is 9 millimeters. Which measurement is closest to the area of circle A in square millimeters?

• 28.27 mm²
• 84.82

• 56.55

• 113.10

What is the area in mm²?

• A. 84.82 mm²

• B. 84.90 mm²

• C. 56.55 mm²

• D. 113.10 mm²

Mr. Todd drew three circles on the board. The diameter of two of the circles are shown. Which measurement is closest to the area of the largest circle in square inches.

• 200.96 square inches

• 78.5 square inches

• 314 square inches

• 12.56 square inches

A drawing was made using a rectangle and two right triangles, as shown.

Which measurement is the closest to the area in square inches of the stove top that does not include the area of the burners?

• 3,000 in.²

• 240 in.²

• 3,240 in.²

• 3,480 in.²

A Circular plate has a diameter of 14 inches.

• A. 615.44

• B. 43.96

• C. 153.86

• D. 21.98

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area? (a)  

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m2