7th Geometry Review1

A map has a scale of 2 centimeters (cm) = 4 miles. Mary’s drive to work is represented on the map as traveling 1 cm north, then 2.5 cm west. Which equation could be used to determine how many miles Mary drives to work?

• x/3 = 1/3.5

• x/4 = 2/2.5

• 1/2 = x/3.5

• 2/4 = 3.5/x

An architect is drawing a rectangular window on a set of house plans. The actual dimensions of the window are 14 feet wide by 6 feet high. Which dimensions should the architect use so that the window in the drawing is similar to the actual window?

• 3.5 inches wide by 1.5 inches high

• 5.6 inches wide by 3.1 inches high

• 6.0 inches wide by 3.0 inches high

• 11.5 inches wide by 3.5 inches high

Emma is building a scale model of a jet airplane. The real airplane has a wingspan of 200 feet and a length of 240 feet.

If Emma’s model has a wingspan of 30 centimeters (cm), what is the length of the model?

• 170 cm

• 80 cm

• 70 cm

• 36 cm

Mr. Smith is making a scale drawing of his classroom. The actual dimensions of the room are shown below.

Which dimensions could he use in the scale drawing?

• 11 inches × 6 inches

• 10 inches × 8 inches

• 12 inches × 9 inches

• 15 inches × 10 inches

A drawing of an airplane has a scale of 1 centimeter equal to 19 feet.

If the elevator span on the scale drawing is 2.5 centimeters long, what is the actual length of the elevator in feet?

• 3.8

• 4.75

• 47.5

• 475

The scale on a map is 0.5 centimeter = 3 kilometers. On the map, Town B is 12.5 centimeters away from Town A. What is the actual distance between the towns?

• 4.16 kilometers

• 18.75 kilometers

• 37.50 kilometers

• 75.00 kilometers

Which of the following could be the lengths of the three sides of a triangle?

• 1 cm, 2 cm, 3 cm

• 3 in., 3 in., 7 in.

• 4 ft, 8 ft, 12 ft

• 5 cm, 7 cm, 9 cm

Jeremy needs to buy three pieces of wood to make a triangular frame. If the wood is cut in 1-foot increments, which set of wood lengths will form a triangle?

• 2 feet, 2 feet, 5 feet

• 1 foot, 2 feet, 3 feet

• 2 feet, 3 feet, 4 feet

• 2 feet, 4 feet, 6 feet

A circle has a diameter of 8 ft. Which measurement would be the circumference of the same circle? (use π≈3.14)

• 12.56 ft

• 18.22 ft

• 25.12 ft

• 50.24 ft

Jillian has a circular pool in her backyard with a diameter of 24 feet. What is the circumference of the pool rounded to the nearest tenth of a foot? Use 3.14 for π.

• 75.4 feet

• 150.7 feet

• 904.3 feet

• 1808.6 feet