Scale Drawing Problems

The scale factor of the scale drawing of a mirror to the actual mirror is represented by the ratio 1:8. If the dimensions of the scale drawing are 3 inches wide by 8.5 inches long, what is the actual area of the mirror?

• 204 sq. inches

• 544 sq. inches

• 708 sq. inches

• 1,632 sq. inches

The scale factor from Drawing 1 to Drawing 2 is 45% and the scale factor from Drawing 1 to Drawing 3 is 70%. Drawing 3 is also a scale drawing of Drawing 2. Is Drawing 3 a reduction or an enlargement of Drawing 3? Justify your answer using the scale factor. The drawing are not necessarily drawn to scale.

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The scale factor from the original to scale drawing A is 3/5. The scale factor from the original to scale drawing B is 3. Indicate whether scale drawing A and scale drawing B is an enlargement or a reduction. Also give reasoning for both.

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Complete the table with the corresponding lengths in each scale drawing. Scale drawing A is 3/5 and scale drawing B is 3

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A scale drawing of a room shows that 1 inch equals 2 feet. If the actual length of the room is 24 feet, how long is the room on the drawing?

• 10 inches

• 12 inches

• 14 inches

• 16 inches

A drawing of a deck has a scale of 1 inch equal to 5 feet. The actual deck is 18 feet long. How long is the deck in the scale drawing?

• 5.0 inches

• 3.6 inches

• 1.3 inches

• 0.3 inch

• F

• G

• H

• J

Type your answer as a decimal or fraction.

• A

• B

• C

• D

• F

• G

• H

• J