Changing a Scale

Question 1

Which steps should be followed to use a scale drawing and a new scale to find the new length of a soccer field?

Revolt · Accepted Answer

C: Write a proportion using the new scale as the first ratio. Set the first ratio equal to the ratio of the length of the original field compared to a variable that represents the new length of the field. Solve the proportion to find the new length of the field.

Question 2

Yasmin designed a square table using a scale drawing. The actual length of each side was 4 feet and the scale factor was 1 inch : 2 feet. Choose the figure with the new side length if Yasmin changed the scale factor to 1 inch : feet.

Revolt · Accepted Answer

C:

Question 3

Question 3

Revolt · Accepted Answer

meters.: 5.25; times as long as the original length of the garden.: 3

Question 4

The length of the garden is 41020✔ 21 meters.

Revolt · Accepted Answer

D: ✔ 21

Question 5

The width of the garden is 1.254.75✔ 5.258.75 meters.

Revolt · Accepted Answer

C: ✔ 5.25

Question 6

If the scale changes to 1 cm : 9 meters, the new length of the garden is 2 1636✔ 63 meters and the new width of the garden is 7.2510.75✔ 15.75157.5 meters.

Revolt · Accepted Answer

C: 36; D: ✔ 63

Question 7

The new length of the garden is2✔ 345 times as long as the original length of the garden.

Revolt · Accepted Answer

B: ✔ 3

Question 8

What error did Anya make?

Revolt · Accepted Answer

A: She set up the proportion incorrectly; the second ratio should be .

Question 9

The change in the scale factor is 1/153/5✔ 4/55/4.

Revolt · Accepted Answer

C: ✔ 4/5

Question 10

The change of scale means that 1 inch represented 4 feet, but now 1 inch represents ✔ 5101215 feet.

Revolt · Accepted Answer

A: ✔ 5

Changing a Scale Answers

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