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Laabri

1/25 Day 3: Scale CopieS

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Last updated over 1 year ago
15 Nsɛmmisa
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7.G.1
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A.2.a
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

What is the scale factor from Figure A to Figure B?

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Are the triangles below similar?

What is the scale factor if the second triangle is a scaled copy of the first?

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
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)

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

What is the value of x?

What is the perimeter of the first triangle?

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Asemmisa {{asɛmmisaAhyɛnsode}}
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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Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

The following triangles are similar.

What is the missing side of the second triangle?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Identify the scaled copy of o.

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

What is the scale factor?

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

Create a scaled copy of the figure below in the show your work box.