Scale Factors and Scale Drawings

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in

• 7 in

• 42 in

• 56 in

A scale drawing of a house shows 9cm ×10cm. If 6cm=12 ft, what are the actual dimensions?

• 9ft x 10ft

• 1ft x 2ft

• 12ft x 6ft

• 18ft x 20ft

The scale model of a building is 6.5 inches tall. How tall is the actual building if the scale used for the model is 1 inch = 150 feet?

• 650 feet

• 840 feet

• 900 feet

• 975 feet

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

True or False: The scale tells us what some length on the scale drawing represents in actual length

• True

• False

Lin has a scale model of a modern train. The model is created at a scale of 1 to 48. The height of the model train is 102 millimeters. What is the actual height of the train?

• 4,896,000 millimeters

• 4,896 millimeters

• 48.96 meters

• 2.125 millimeters

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? 

• 7 km

• 5 km

• 15 km

• 17 km 

Review the picture.  Find the missing side measurement in the picture using a proportion.

• w = 18 m

• w = 6 m

• 6 m

• w = 0.16 m

ABCD is the original, EFGH is the copy. If angle E is 30^o, what is angle A?

• 15^o

• 30^o

• 60^o

• 90^o

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. How wide is the actual park?

• 40 yd

• 56 yd

• 200 yd

• 378 yd