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Dilations, Scale Factor, & Similar Figure

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Last updated over 3 years ago
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8.G.3
Work through this assignment at your own pace. Remember, your teacher can see your progress and responses. He or she might also give you feedback as you complete tasks. Your responses will be graded. You should use your notes to help you!

Similar Figures

Question 1
1.

Solve for x.

Question 2
2.

In the image , both triangles are similar. What
is the measure of side DE?

Question 3
3.

If a tree casts a 45-foot shadow at the same time that a 6-foot tall man casts a 7.5-foot shadow, find the height of the tree.

Question 4
4.

Quadrilateral ABCD is similar to quadrilateral EFGH. Select all of the true statements.

Question 5
5.

Dilations & Scale Factor

Question 6
6.

A scale factor of 3.5 was applied to the triangle in the picture above. What would be the new height of the enlarged triangle?

Question 7
7.

In the image above, what would be the length of the shorter side of the larger rectangle?

Question 8
8.

What is the scale factor for the dilation below?

Question 9
9.

Question 10
10.

Draw and label triangle A'B'C' on the coordinate plane.

Segment CD is twice as long as segment FG .
The measure of angle HEF is twice the measure of angle DAB .
The length of segment EH is 16 units.
The area of EFGH is twice the area of ABCD .
Which proportion could be used to calculate the lenfth of the missing side?
A
B
C
D
Using a copy machine, a drawing of a
tower that was 24 inches tall was reduced to a
tower that measured 8 inches high. What was
the scale factor used for the reduction?
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