Scale Factor & Drawings

A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner?

• 72 in

• 60 in

• 62 in

• 80 in

A rectangular garden is 45 ft wide and 70 ft long. On a blueprint, the width is 9 in. Identify the length on the blueprint. 

• 7 in
• 9 in
• 12 in
• 14 in

Tags

CCSS.7.G.A.1

The __________ is the ratio of the enlargement or reduction of an image.

• reduction

• enlargement

• scale factor

• center of dilation

On a map, the distance between two towns in 2.6 cm. The scale of the map is 2cm:50 km. What is the actual distance between the two towns?

• 100 km

• 65 km

• 70 km

• 130 km

The scale drawing car length is 3 cm. If the scale is 1.5cm:4 ft what is the actual car length?

• 8 feet

• 12 feet

• 10 feet

• 4 feet

A blueprint scale for a flagpole is 1.5in.= 4.5ft. If the pole measures 6 inches, how tall is the actual pole?

• 16 feet

• 3 feet

• 18 feet

• 9 feet

A blueprint was using a scale of 3cm=4.5m. Find the actual length if it is 5cm on the drawing.

• 7.5

• 13.5

• 1.5

• 1.7

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

Tags

CCSS.7.G.A.1

If the actual dimensions of the kitchen are 24 ft. by 24 ft., what is the scale of the drawing?

• 1cm : 9ft

• 1cm : 8ft

• 4cm : 1ft

• 1cm : 4ft

Scale: 3cm.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 cm

• 21 cm

• 42 cm

• 56 cm