Scale Drawings Area and Perimeter

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

· A scale drawing of a rectangular park is 5 inches wide and 8 inches long. The actual park is 320 yards long. What is the area of the actual park, in square yards?

• 200

• 1,600

• 64,000

• 68,000

Rectangle A measures 15 inches by 10 inches. Rectangle B is a scaled copy of Rectangle A. Select all of the measurement pairs that could be the dimensions of Rectangle B.

• 7.5 inches by 5 inches

• 16 inches by 11 inches

• 13 inches by 8 inches

• 22.5 inches by 15 inches

Triangle B is a scaled copy of Triangle A with a scale of 1to 2. Select all of the true statements.

• The value of x is 10.

• The value of y is 4.

• The value of y is 6.

• The value of x is 15.

• The perimeter of Triangle B is twice the perimeter of Triangle A.

On a scale drawing, 1/4 inch = 10 feet. How many feet would 1 inch represent?

• 4

• 40

• 10

• 5

Edgar drew a scale drawing of the town library. The scale of the drawing was 5 centimeters : 2 meters. The parking lot is 34 meters wide in real life. How wide is the parking lot in the drawing?

• 85

• 68

• 64

• 17

Elena wants to make a scale drawing of her bed. She decides on a scale of 1 to 50. Elena’s bed measures 6 cm by 5 cm on the scale drawing. What are the actual measurements of her bed?

• 500 cm by 300 cm

• 300 cm by 250 cm

• 30 cm by 25 cm

• 50 cm by 30 cm

Elena’s bedroom door is 80 cm wide. How wide should the door be on the scale drawing using the scale 1 to 50?

• 4000

• 40

• 16

• 1.6

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in 

• 7 in

• 42 in

• 56 in