# Dilations effects on area and perimeter

## 14 questions

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• 1. Multiple Choice
2 minutes
1 pt

A triangle ABC with sides AB = 8, BC = 16, and AC = 17 is dilated to form a triangle with side B'C' = 8. Which of the following statements about the sides of the image of triangle ABC?

A'B' = 8

and A'C' = 17

A'B' = 0

and A'C' = 9

A'B' = 4

and A'C' = 8.5

Impossible to determine

• 2. Multiple Choice
30 seconds
1 pt

Two objects that are the same shape but NOT the same size are _______.

Congruent

Vertical

Similar

Complementary

• 3. Multiple Choice
1 minute
1 pt

A figure is dilated by a scale factor of 4. Which of the following statements about the figure must be true?

The perimeter and area are both multiplied by 4.

The perimeter is multiplied by 4 and the area is multiplied by 16.

The perimeter and area are both divided by 4.

The perimeter is multiplied by 16 and the area is multiplied by 4.

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