Scale Drawings With Perimeter

What is the new perimeter if the rectangle is enlarged with a scale factor of 3?

• 40 cm

• 60 cm

• 80 cm

• 120 cm

• 1.2 km

• 4.3 km

• 5.8 km

• 8.4 km

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

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

A model of a planned baseball stadium is 2 ft wide. The scale for the model is 1 foot = 100 yards. What is the width of the actual stadium?

• 20 yards

• 2 yards

• 200 yards

• 2000 yards

What is the scale factor?

• 4

• 25

• 5

• 6

Is Figure B a scaled copy of Figure A?

• Yes

• No

Triangle F is the original drawing. Which triangle is a copy with a scale factor of 1/3?

• B

• G

• H