7.1 Study Guide

Circle all the scaled copies of rectangle A.

• B

• C

• D

• E

• F

Figure EFGH is a scaled copy of figure ABCD. Select all of the true statements.

• Segment GH is three times as long as segment AB.

• The ratio of AB/BC is equivalent to the ratio of EF/FG.

• The scale factor from EFGH to ABCD is 1/3.

• The length of segment BC is 2 units.

• The area of EFGH is three times the area of ABCD.

A scale drawing of a rectangular park is 8 inches wide and 11 inches long. The actual park is 330 yards long. What is its area?

• 88 square yards

• 240 square yards

• 2,640 square yards

• 79,200 square yards

What is the scale factor used to draw a scaled copy of the polygon?

• 1/2

• 1/3

• 1/4

• 1/5

Anya is drawing a map of her town. What should the distance between the school and the hospital be on the map if they are 15 kilometers apart in reality?

• 6 centimeters

• 15 centimeters

• 3 centimeters

• 1.5 meters

Anya is drawing a map of her town. b. On the map, the school and the playground are 8 centimeters apart. What is the actual distance between the school and the playground?

• 20 meters

• 20 kilometers

• 8 kilometers

• 4 meters

A runner gets a new map of her favorite running trail. Her old map has a scale of 1 centimeter to 400 meters. Her new map has a scale of 1 centimeter to 100 meters. If the maps represent the same area, will the new map be larger, smaller, or the same size as the old map?

• Larger

• Smaller

• The same size

Her old map has a scale of 1 cm to 400 m. Her new pap has a scale of 1 cm to 100 m. Her favorite running trail was 20 centimeters long on her old map. How long is this trail on her new map?

• 80 centimeters

• 80 meters

• 8000 meters

A map has a scale of 1 cm=5km.  On the map, two cities are 3 cm apart. What is the actual distance between these cities? 

• 1.7 km
• 5 km
• 15 km
• 17 km 

A model house has a scale of 1 inch: 2 feet. If the real house is 26 feet wide, how wide is the model house?

• 13 feet

• 13 inches

• 24 feet

• 28 feet