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Proportions & Scale Factors Practice

Complete this assessment to review what you’ve learned. It will not count toward your grade.
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Question
Use the image to answer the question.



An illustration shows two rectangles. The first is horizontally positioned lengthwise and the second is positioned slanting lengthwise to the left. The first rectangle has a base length of 5 inches and vertical width of 3 inches. The tilted second rectangle has a length of 9 inches and a width of 5.4 inches.
What scale factor was used to enlarge the rectangle in the image? The measurements refer to inches. Give your answer as a decimal.

User Icon for Bot GPT 3.5 Bot GPT 3.5 answered
11 months ago

To find the scale factor used to enlarge the rectangle in the image, we need to compare the corresponding sides of the original and enlarged rectangles.

The corresponding sides are the base length of the first rectangle (5 inches) and the length of the second rectangle (9 inches).

Therefore, the scale factor is calculated as:

Scale factor = Length of the enlarged rectangle / Length of the original rectangle

Scale factor = 9 inches / 5 inches

Scale factor = 1.8 inches

So, the scale factor used to enlarge the rectangle in the image is 1.8.