# Scale Factor Day 1

5 Questions | Total Attempts: 83

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• 1.
The area of a rectangle is 12 inches squared. The rectangle is dilated by a scale factor of ½. What is the area of the new rectangle?
• A.

3 inches squared

• B.

24 inches squared

• C.

48 inches squared

• D.

6 inches squared

• 2.
The perimeter of a triangle is 9 cm.  Thetriangle is dilated by a scale factor of 2. Find the perimeter of the new triangle.
• A.

36 cm

• B.

18 cm

• C.

4.5 cm

• D.

20 cm

• 3.
A rectangle is dilated with a scale factor of 3. Which statement correctly describes the perimeterof the new figure?
• A.

The new perimeter is 1/9 times the original

• B.

The new perimeter is 1/3 times the original

• C.

The new perimeter is 3 times the original

• D.

The new perimeter is 9 times the original

• 4.
A rectangle is dilated with a scale factor of ⅓. Which statement correctly describes the areaof the new figure?
• A.

The new area is 1/9 times the original

• B.

The new area is 1/3 times the original

• C.

The new area is 3 times the original

• D.

The new area is 9 times the original

• 5.
A rectangle has sides of 3 cm and 5 cm.  A similarrectangle is dilated with a scale factor of ½.  Find itslength and width.
• A.

6 cm by 10 cm

• B.

1.5 cm by 2.5 cm

• C.

2 cm by 3 cm

• D.

2 cm by 2.5 cm

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