Ratios Proportions and Scale Drawings

A two-dimensional drawing that is similar to the object it represents

• Scale model

• Scale drawing

• Proportion

• Ratio

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. WHAT IS THE SCALE?

• 1 in to 40 yd

• 1 in to 52 yd

• 1 in to 56 yd

• 1 in to 64 yd

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

Irene measured a shopping center and made a scale drawing. The scale she used was 2 inches : 1 foot. If a bakery in the shopping center is 104 inches in the drawing, how long is the actual bakery?

• 52 ft

• 208 ft

This scale drawing shows a parking lot. What is the length of the longer side of the actual lot? 

• 63 m

• 235 m

• 315 m

• 630 m

Desmond measured a city park and made a scale drawing. The scale he used was 1 centimeter : 9 meters. The actual width of the soccer field is 54 meters. How wide is the field in the drawing?

• 6 cm

• 486 cm

• 9 cm

• 54 cm

Alan drew a scale drawing of a house and its lot. The scale he used was 1 millimeter : 5 meters. In the drawing, the lawn in the backyard is 10 millimeters long. What is the length of the actual lawn?

• 50 m

• 2 m

• 10 m

• 5 m

Brody drew a scale drawing of a campsite. He used the scale 1 inch : 3 feet. If the actual width of the tent is 6 feet, how wide is the tent in the drawing?

• 2 in

• 1 in

• 3 in

• 18 in

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