Actual Size Given the Scale in a Scale Drawing

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.

Eric is building a scale model of a helicopter at 1/72. If the height of the model is 2 (2/3), what is the actual height of the helicopter?

• 16 feet

• 27 feet

• 48 feet

• 192 feet

What is pictured?

• a scaled drawing

• a graph

What is the meaning of the size scale?

• The real car is 18 times larger than the model car

• The model car is 18 times larger than the real car

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.

• 8,010 feet

• 5,340 feet

• 12,015 feet

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Kenny drew a scale drawing of a swimming pool. The scale of the drawing was 1: 30. If the pool is 24 centimeters in the drawing, how wide is the actual pool?

• 0.72 m

• 7.2 m

• 72 m

• 720 m

A scale drawing of a backyard in drawn using scale 1: 80. The actual width of the backyard is 20 meters, how wide is it in the drawing?

• 0.25 cm

• 1.6 cm

• 20 cm

• 25 cm

The diagram shown represents a garden. The scale is 1: 2000. Each square in the drawing measures 1 cm by 1 cm. Find the actual width of the garden based upon the given drawing.

• 60 m

• 80 m

• 120 m

• 160 m

What is a scale?

• an object you weigh yourself on

• the ratio between the scale drawing measurement and the real objects measurement

• the ratio between the length and the height of an object

• a proportion of two drawings