Proportions & Scale Factors Quick Check

3 of 53 of 5 Items

Question
Use the image to answer the question.



A grid is shown with a rectangle drawn on it. The rectangle is 6 units long and 2 units wide, labeled with 6 and 2 respectively.
Scale: 1 box = 4 centimeters

Reproduce the scale drawing so that it has a scale of 1 box = 2 centimeters. Which shows the correct new scale drawing?

(1 point)
Responses

A grid is shown with a rectangle drawn on it. The rectangle is 6 units long and 3 units wide, labeled with 6 and 3 respectively.

Scale: 1 box = 2 centimeters

Image with alt text: A grid is shown with a rectangle drawn on it. The rectangle is 6 units long and 3 units wide, labeled with 6 and 3 respectively. Scale: 1 box = 2 centimeters



A grid is shown with a rectangle drawn on it. The rectangle is 12 units long and 4 units wide, labeled with 12 and 4 respectively.
Scale: 1 box = 2 centimeters

Image with alt text: A grid is shown with a rectangle drawn on it. The rectangle is 12 units long and 4 units wide, labeled with 12 and 4 respectively. Scale: 1 box = 2 centimeters

A grid is shown with a rectangle drawn on it. The rectangle is 3 units long and 1 unit wide, labeled with 3 and 1 respectively.

Scale: 1 box = 2 centimeters

Image with alt text: A grid is shown with a rectangle drawn on it. The rectangle is 3 units long and 1 unit wide, labeled with 3 and 1 respectively. Scale: 1 box = 2 centimeters

A grid is shown with a rectangle drawn on it. The rectangle is 12 units long and 2 units wide, labeled with 12 and 2 respectively.

Scale: 1 box = 2 centimeters

1 answer

To answer the question, we need to find the scaled dimensions of the rectangle when the original measurements are scaled down.

The original rectangle is 6 units long and 2 units wide. The original scale is 1 box = 4 centimeters. Now we want to reproduce the drawing at a new scale of 1 box = 2 centimeters.

First, let’s determine how the dimensions change with the new scale. Since the new scale (2 cm) is half of the original scale (4 cm), we need to double the number of unit boxes for the same dimensions.

Original dimensions:

  • Length: 6 units
  • Width: 2 units

New dimensions at 1 box = 2 cm would be:

  • Length: \(6 \text{ units} \times 2 = 12 \text{ units}\)
  • Width: \(2 \text{ units} \times 2 = 4 \text{ units}\)

Based on this calculation, the new rectangle's dimensions should be 12 units long and 4 units wide.

The option that matches these dimensions is:

A grid is shown with a rectangle drawn on it. The rectangle is 12 units long and 4 units wide, labeled with 12 and 4 respectively. Scale: 1 box = 2 centimeters.

So the correct answer is the second option.

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