Scale Factor

Triangle ABC is a scaled copy of Triangle DEF. Select all of the statements that are true.

• Segment AB is twice as big as segment DE.

• The measure of angle ABC is twice the size of angle DEF.

• The length of the segment BC is 12 ft.

• The area of ABC is twice as large as the area of EFG.

Tags

CCSS.7.G.A.1

Rectangle A measures 8 inches by 5 inches. Rectangle B is a scaled copy of Rectangle A. Select all the measurement pairs that could be the dimensions of Rectangle B.

• 4 inches by 2.5 inches

• 15 inches by 10 inches

• 24 inches by 15 inches

• 9 inches by 6 inches

Tags

CCSS.7.G.A.1

A scale drawing of a rectangular park is 4 inches wide and 5 inches long. The actual park is 200 yards long. What is the area of the actual park, in square yards?

• 20

• 200

• 3,200

• 32,000

Tags

CCSS.7.G.A.1

Polygon PQRS a scaled copy of polygon ABCD. True or False

• True

• False

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CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What is the scale factor?

(a)  

Tags

CCSS.7.G.A.1

What is the perimeter of the scaled copy?

(a)  

Tags

CCSS.7.G.A.1

The following rectangle is going to be reduced by a scale factor of

 $\frac{1}{4}$  . What is the area of the scaled copy?

(a)  

Tags

CCSS.7.G.A.1

Polygon A has an area of 15 square units. If Polygon A is being enlarged by a scale factor of 3, what will the new area be?

(a)  

Tags

CCSS.7.G.A.1