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If a rectangle that has the dimensions of 3 in by 8 in is enlarged using a scale factor of 2.5, what will be the new perimeter?
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1 vote
If a rectangle that has the dimensions of 3 in by 8 in is enlarged using a scale factor of 2.5, what will be the new perimeter?

User Andre Bernardes
by
4.3k points

2 Answers

3 votes

Answer:

55 in

Explanation:

Enlarged length = 2.5 × 8 in

= 20 in

Enlarged breadth = 2.5 × 3 in

= 7.5 in

Enlarged perimeter = 20 in + 20 in + 7.5 in + 7.5 in

= 55 in

User Nebuto
by
4.4k points
2 votes
22x2.5=55

or 8x2.5
3x2.5
User Andrei RRR
by
3.5k points
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