Question

The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle?

A. 320 cm

B. 80 cm

C. 120 cm

D. 60 cm

Answer 1

Answer:

B. 80 cm

Step-by-step explanation:

A scale factor of 4 multiplies each side length by 4, so the perimeter also becomes 4 times larger.

4 * 20 cm = 80 cm

Answer: 80 cm

Answer 2

Answer:

The answer is B. 80 cm

hope this helps :)