Area of Rec

What is the area of a rectangle with a width of 15.5 inches and a length of 20.2 inches?

• 313.1

• 35.7 square inches

• 313.1 square inches

• 35.7 inches

^{What is the area?}

• 20 ft²

• 20 yards

• 40 ft²

• 40 yards

Mrs. Davis wanted to cover the classroom with new carpet. If the length of the classroom was 12 feet and the width was 8 feet. How much carpet would she need to buy?

• 20 feet

• 40 ft

• 96 square feet

• 40 square feet

What is the surface area of this figure?

• 3000 cm ²

• 164 cm ²

• 236 cm ²

• 328 cm ²

Faron wants to paint the four walls in his bedroom.  The room measures 12 ft long, 10 ft wide and 8 ft high.  There are two doors that each measure 3 ft by 7 ft and a window that measures 3 ft by 4 ft.  If Faron does not paint the doors and window, what is the total area he will paint?

• 352 ft^2

• 298 ft^2

• 122 ft^2

• 66 ft^2

The top of the box below has been removed.What is the surface area of the remaining box? 

• 560 cm^2

• 800 cm^2

• 1,200 cm^2

What is the surface area of this figure?

• 200 cm ²

• 800 cm ²

• 400 cm ²

• 100 cm ²

Find the Surface Area

• 556 cm²

• 278 cm²

• 680 cm²

• 340 cm²

Find the surface area of the rectangular prism.

• 140 in.²

• 83 in.²

• 166 in. ²

• 100 in.²

What is the "formula" for surface area of a rectangular prism?

• SA = 2lw + 2lh + 2wh

• SA = lw + lh + wh

• SA = length ∙ width

• SA = lw + lh + wh ÷ 2