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1/25 Day 3: Scale CopieS

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Last updated over 1 year ago
15 questions
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Question 1
1.
What is the scale factor from Figure A to Figure B? _______
Question 2
2.
Are the triangles below similar? _______
What is the scale factor if the second triangle is a scaled copy of the first? _______
Question 3
3.
Are these figures similar? Use the follow ratios from the corresponding sides to prove if they are proportional. 40/10 and 56/14
Are these ratios proportional? _______
Using the scale factor, find the value of x. _______
Question 4
4.
Use the graph below to answer the following questions.

What is the slope of the line? _______
Are the points (2,1) and (8,4) proportional? _______
Which of the following points could also be on the line?
(40, 20) _______
(19, 11) _______
(24, 12) _______
Question 5
5.
What is the value of x? _______
What is the perimeter of the first triangle? _______
Question 6
6.
Figure B is a scaled copy of Figure A.



If figure A is half the size of figure B, what would be the value of x? _______
Question 7
7.

Question 8
8.

Match each polygon on the left to it's scale copy on the right (click & drag the one on the left side to match the one on the right).

Draggable itemarrow_right_altCorresponding Item
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Question 9
9.

Li says the larger T is a scaled image of the smaller T because the larger T is twice the height of the smaller T. Do you agree with Li? Explain why or why not in the show your work section.

Question 10
10.
The following triangles are similar.


What is the missing side of the second triangle? __________
What is the perimeter of the second triangle? __________
Question 11
11.

Identify the scaled copy of o.

Question 12
12.

What is the scale factor?


Question 13
13.

Which of the triangles P, Q, R, and S are reductions of triangle X?

Question 14
14.
The following triangles are similar.
What is the scale factor? _______
What is the measure of YZ? _______
What is the measure of XZ? _______
What is the perimeter of the scaled triangle? _______
Question 15
15.
Create a scaled copy of the figure below in the show your work box.