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Scale Drawings, Models, and Maps

The use of ratios in scaling of a figure is covered in this topic. Calculation of actual measurement using the scale factor is also covered.
Practice Question
1

A scale model of a mosquito has a scale of 1 inch = 0.125 inch. If the length of the mosquito on the model is 3 inches, what is the actual length of the mosquito?

 
Possible Answers
Your Answer
Correct Answer
A)

0.041 inches
B)

9 inches
C)

0.375 inches
D)

3 inches
Practice Question
2

On a map, the distance between City A and City B is 14 inches. If the scale on the map is 2 inches = 5 miles, what is the actual distance between City A and City B?

 
Possible Answers
Your Answer
Correct Answer
A)

35 inches
B)

24 inches
C)

24 miles
D)

35 miles
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