Performing transformations

What is a scale drawing?

• A drawing that shows a real object enlarged or reduced
• A drawing of the weight of an object
• A life size drawing of an object
• A drawing that shows all the sides of a building

Kenny drew a scale drawing of a swimming pool. The scale of the drawing was 2 centimeters : 1 meter. If the pool is 26 centimeters in the drawing, how wide is the actual pool?

• 13 m

• 2 m

• 1 m

• 52 m

Jonathan drew a scale drawing of a house. The scale of the drawing was 1 millimeter : 2 meters. If the actual width of the garage is 8 meters, how wide is the garage in the drawing?

• 4 mm

• 16 mm

The actual distance between two house is 5 meters. On a map the distance is 10 cm. What is the scale factor?

• 1:2

• 1:5

• 1:50

A student made a model of the Washington Monument using a scale in which 1 inch represents 15 feet. The actual height of the Washington Monument is approximately 555 feet. Which measurement is closest to the model in inches?

• 37 in.

• 75 in.

• 46 in.

• 180 in.

From Denver to Chicago = 3 inches. If the scale is 1 inch = 300 miles, find the actual distance.

• 300 miles
• 1000 miles
• 900 miles
• 600 miles

A scale drawing of Mt. Marcy is 17.8 inches high. Determine the actual height of Mt. Marcy if the scale used for the drawing was 1.5 inches = 450 feet.

Which proportion can be used to solve the problem above?

The scaled on a drawing is 3:1. What does this mean?

• The scale drawing is three times the size of the actual object.

• The scale drawing is the same size as the actual object.

• The scale drawing is one-third the size of the actual object.

• The scale drawing is 31 times the size of the actual object.

An equation stating that two ratios are equal.

• Proportion
• Congruent
• Unit RAte
• Scale FActor

The second H-shaped polygon is a scaled copy of the first. What is the scale factor from the original polygon to its smaller copy?

• 1/4

• 4

• 2

• 1/2