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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

Respuesta :

mathstudent55

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

anna23930

Answer:

The answer is B. 80 cm

hope this helps :)

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