A square with side lengths of 5 units each was dilated by a factor of 4. Which must be true of the resulting figure?

A. It is still a rhombus, but no longer a square; its perimeter is unchanged.

B. It is still a rectangle, but no longer a square; its perimeter is 50 units.

C. It is a square with a perimeter of 20 units.

D. It is a square with a perimeter of 80 units.

Question

Mathematics

Kyson

29 August, 04:01

A square with side lengths of 5 units each was dilated by a factor of 4. Which must be true of the resulting figure?

A. It is still a rhombus, but no longer a square; its perimeter is unchanged.

B. It is still a rectangle, but no longer a square; its perimeter is 50 units.

C. It is a square with a perimeter of 20 units.

D. It is a square with a perimeter of 80 units.

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Answers (1)

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Le · Answer 1

D. A dilation makes the shape bigger but doesn't change the shape. So it wouldn't because a rhombus. You multiply 5 times 4 and get 20. 20 times 4 for each side length gives 80. So it is a square with a perimeter of 80 unites.