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QUIZ

8th

grade

62%

accuracy

153

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Jennifer Hilsinger

2 years

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14 questions

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- 1. Multiple Choice2 minutes1 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 Choice30 seconds1 pt
Two objects that are the same shape but NOT the same size are _______.

Congruent

Vertical

Similar

Complementary

- 3. Multiple Choice1 minute1 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.

- 4. Multiple Choice30 seconds1 pt
If the scale factor is 5, how times larger will the

of the big square be compared to the smaller square?__area__5

20

25

- 5. Multiple Choice30 seconds1 pt
The

of the larger square is 2 times larger than the smaller square.__perimeter__True

False

- 6. Multiple Choice30 seconds1 pt
The

of the larger square is __________ times larger than the area of the smaller square.__area__1/2

1

2

4

- 7. Multiple Choice30 seconds1 pt
Both the

and__side lengths__are 3 times larger in the bigger rectangle.__perimeter__True

False

- 8. Multiple Choice30 seconds1 pt
What is one way to determine how much the

would increase using a scale factor of 3?__area__take the scale factor and square it to get 3x3=9

add all of the sides together then multiply by 3

multiply the area of the smaller rectangle by 3

- 9. Multiple Choice30 seconds1 pt
How much did the

increase in the scale copy?__angles__They are twice as large

They are 4 times as large

Angles do not change in scale copies

- 10. Multiple Choice15 minutes1 ptWhat does congruent mean?Same shape, different sizeNot same shape, or sizeSame size, same shape
- 11. Multiple Choice15 minutes1 ptAll angles in similar figures are congruent.TrueFalse
- 12. Multiple Choice30 seconds1 ptIf two figures are similar, the corresponding sides are ______________.equalcongruentproportionalnone of these
- 13. Multiple Choice20 seconds1 ptFind the ratio (blue to red) of the perimeter.4/77/449/1616/49
- 14. Multiple Choice15 minutes1 ptFind the perimeter of the large triangle.24361254
- Answer choicesTagsAnswer choicesTags
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