Plane Geometry & Similarity Unit Review

A circle has a diameter of 22 inches. Which formula represents how to find the area of the circle?

• A = π(11²)

• A = 2(π)(11)

• A = π(22²)

• A = 22(π²)

Tags

CCSS.7.G.B.4

A tire measures 10.5 inches from the center to the outside. What is the distance around the tire?

• 32.97 in

• 65.94 in

• 131.88 in

• 346.19 in

Tags

CCSS.7.G.B.4

How many square meters are enclosed in the figure below?

• 5,913 m²

• 7,326 m²

• 6,217 m²

• 4,892 m²

Triangle ABC is similar to triangle DEF. What is the length of segment DE?

• 5.5 in

• 4 in

• 6 in

• 4.5 in

Tags

CCSS.HSG.SRT.A.2

Mr. Lewis is installing a new granite countertop for his kitchen island. The countertop will be in the shape of a rectangle measuring 11 feet by 12 feet. Each square foot of granite costs $9.50. Find the cost of the granite for the countertop.

• $1,300

• $950

• $2,125

• $1,254

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Aaron made a scale drawing of the Golden Gate Bridge which has an actual height of 746 feet. He decides to use a scale in which 1 inch represents 50 feet. What is the height in inches of Aaron’s drawing?

• 14.92 in

• 15 in

• 13.75 in

• 14.5 in

Tags

CCSS.7.G.A.1

A homeowner is replacing their kitchen flooring with new tile. New tile will go in the shaded area below. Determine the total amount of tile, in square feet, needed to complete the job.

• 112 ft²

• 121 ft²

• 142 ft²

• 338 ft²

A triangle has a height of 24 inches. It is reduced and the new height is 6 inches. What is the scale factor?

• 6

• 4

Tags

CCSS.7.G.A.1

Allegra drew a map of the Colorado River using the scale 7 centimeters equals 210 kilometers. The actual length of the Colorado River is 2,330 kilometers. Approximately what is the length in centimeters of the Colorado River on the map?

• 1,470 cm

• 11 cm

• 333 cm

• 78 cm

Tags

CCSS.7.RP.A.2C

The circumference of a paper plate is 37.68 inches. Determine the radius of the paper plate. Use 3.14 for π.

• 6 inches

• 9 inches

• 12 inches

• 18 inches

Tags

CCSS.7.G.B.4