Scale Factor

A square with an area of 64in² is reduced by a scale factor of 1/2.  How long are the sides of the new square?

• 4 inches
• 8 inches
• 16 inches
• 32 inches

Tags

CCSS.7.G.A.1

A rectangle that is 6+1/4 meters long and 3+2/3 meters wide is increased by a scale factor of 2+1/2.  What is the perimeter of the new rectangle?

• 15+11/12 m
• 24+19/24m
• 31+5/6m
• 49+7/12 m

Tags

CCSS.7.EE.B.3

What scale factor was used to go from Triangle PRQ to Triangle SUT?

• 0.6
• 1.5
• 3
• 5

Tags

CCSS.7.G.A.1

If each side of the triangle ABC is reduced by a scale factor of 1/8, what is the length of the side that corresponds to side AB in the new triangle?

• 1/4 unit
• 1/2 unit
• 2 units
• 3+7/8 units

Tags

CCSS.7.G.A.1

The length of side ST in quadrilateral STUV is 15 feet.  What is the length of side WX in similar figure WXYZ that was created using a scale factor of 3?

• 5 feet
• 12 feet
• 18 feet
• 45 feet

Tags

CCSS.7.G.A.1