Rectangle Dimensions

If a rectangle has a length of 8 cm and a width of 4 cm, and it is scaled by a factor of 0.5, what are the dimensions of the new rectangle?

• The dimensions of the new rectangle are 4 cm by 2 cm.

• The dimensions of the new rectangle are 10 cm by 5 cm.

• The dimensions of the new rectangle are 6 cm by 3 cm.

• The dimensions of the new rectangle are 2 cm by 1 cm.

Tags

CCSS.7.G.A.1

If two similar rectangles have a scale factor of 1:2, and one rectangle has a length of 10 cm, what is the length of the other rectangle?

• 20 cm

• 25 cm

• 5 cm

• 15 cm

Tags

CCSS.7.G.A.1

The dimensions of a rectangular photo are 3.5 in. x 5 in. The dimensions of the photo are enlarged by a scale factor of 2.5. What is the perimeter of the new photo?

• 17.7 in²

• 8.75 in. X 12.5 in.

• 42.5 in.

• There is not enough information.

Tags

CCSS.7.G.A.1

A scale factor of 1/2 is used to change the dimensions of a rectangle with a length of 7 centimeters and a width of 5 centimeters. What is the perimeter of the resulting rectangle?

• 12

• 35

• 24

• 38

Tags

CCSS.7.G.A.1

• F

• G

• H

• J

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A plan for a house includes a rectangular room with an area of 80 square feet and a perimeter of 36 feet. What are the length and width of the room?

• length 40 feet and width 2 feet

• length 10 feet and width 8 feet

• length 20 feet and width 4 feet

• length 16 feet and width 5 feet

Tags

CCSS.4.MD.A.3

What are the width and length of the rectangle?

• width = 4 inches

  length = 39 inches

• width = 5 inches

  length = 10 inches

• width = 10 inches

  length = 15 inches

• width = 12 inches

  length = 13 inches

Tags

CCSS.4.MD.A.3

The length of a rectangle is 6 feet greater than the width.  The perimeter is 56 feet.  What are the length and width?

• Width = 6 feet ; Length = 12 feet

• Width = 7 feet ; Length = 13 feet

• Width = 10 feet ; Length = 16 feet

• Width = 11 feet ; Length = 17 feet

Tags

CCSS.8.EE.C.8C

Given a rectangle with an Area of 77 sq. ft. Find the height if the width is 5.5 ft.

• 14 ft.

• 14 sq. ft.

• 28 ft.

• 7 ft.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Ben wanted to make a dog pen with an area of 36 square feet.  What could the dimensions of his dog pen be?

• 3 feet by 6 feet

• 9 feet by 9 feet

• 9 feet by 4 feet

• 5 feet by 6 feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3