Area Scale Drawings

The width of the parking lot is shorter than the length. The width of the actual parking lot is 48 feet. Based on the scale drawing, what is the length, in feet, of the actual parking lot?

• 40.96

• 192

• 4

• 195

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

A scale factor greater than one creates ....

• a reduction

• an enlargement

• an exact copy

• none of the above

How does scale factor change the area?

• by the scale factor

• by the scale factor squared

• by the scale factor cubed

• scale factor does not affect the area

The original area of a rectangle is 35 in². If the rectangle is enlarged by a scale factor of 3, what is the new area?

• 105 in²

• 11.6 in²

• 315 in²

• 210 in²

If the area of a square was 16 in² and now it is 256 in², what is the scale factor that was used?

• 4

• 2

• 3

• 12

A rectangular park on a city map has dimensions of 1.75in x 2.1in. The park in real life is 100 times larger than the drawing. What is the area of the actual park?

• 36,750 in²

• 367.5 in²

• 3,675 in²

• 11,550 in²

What is the scale factor from ABC to DEF?

• 2

• 3/2

• 2/3

• 1/2

A rectangular park on a city map has dimensions of 1.75in x 2.1in. The park in real life is 1,500 times larger than the drawing. What is the perimeter of the actual park?

• 5,512.5 in

• 3,675 in

• 5,250 in

• 11,550 in

The area of a rectangle was 1125 sq cm, and was reduced to 45 sq cm. What was the scale factor used to reduce the shape?

• 25

• 5