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The ratio of the lengths of corresponding parts in two similar solids is 5:1.

What is the ratio of their surface areas?
Ο A. 125:1
OB. 25:1
OC. 5:1
OD. 10:1
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User Davydotcom
by
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1 Answer

2 votes

Answer:

  • B) 25 : 1

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Area is the product of two dimensions.

Hence the ratio of areas is the square of the scale factor:

  • Ratio of areas = 5² : 1² or 25 : 1

The matching choice is B

User Nidkil
by
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