OR 7.1.7 Practice Problems

What is the wingspan of the plane, to the nearest foot?

Notice the scale of one inch: 10 feet. In the picture, it's about 4.5 inches wide.

• 10

• 46

• 70

• 35

What is the height of the plane, to the nearest foot?

Notice the scale of one inch: 10 feet

In the picture, it's about 1 inch tall.

• 1

• 120

• 12

• 30

What is the length of the Lysander Mk. I, to the nearest meter

Notice the scale is about 4.5 cm: 7 meters

In the picture, it's about 6 cm.

• 7

• 20

• 12

• 9

A blueprint for a building includes a rectangular room that measures 3 inches long and 5.5 inches wide. The scale for the blueprint says that 1 inch on the blueprint is equivalent to 10 feet in the actual building. What are the dimensions of this rectangular room in the actual building?

• 30 feet long and 55 feet wide

• 10 feet long and 5 feet wide

• 300 feet long and 550 feet wide

• 20 feet long and 45 feet wide

Here is a scale map of Lafayette Square, a rectangular garden north of the White House.

How long are the side lengths?

• 
• About 800 ft by 500 ft

• About 200 ft by 100 ft

• About 1200 ft by 900 ft

Here is a scale map of Lafayette Square, a rectangular garden north of the White House.

About how many feet does one inch represent on this map?

• 
• One inch is approximately 1000 ft

• One inch is approximately 30 ft

• One inch is approximately 300 ft

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units.

How many times larger is the area of the scaled copy compared to that of Triangle A?

• 5 times larger

• 8 times larger

• 10 times larger

• 16 times larger

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units.

How many times larger is the area of the scaled copy compared to that of Triangle A?

• 5 times larger

• 8 times larger

• 10 times larger

• 16 times larger

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units.

What scale factor did Lin apply to the Triangle A to create the copy?

• 4

• 8

• 1/4

• 9

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units.

What is the length of the bottom side of the scaled copy?

• 4

• 8

• 12

• 9