Finding Area of Quadrilaterals and Triangles

The formula to find the area of a square is A=s²

• True

• False

The formula to find the area of a rectangle is A=bh

• True

• False

The formula to find area of a trapezoid is A=lw

• True

• False

The formula to find the area of triangle is A=bh

• True

• False

A rectangular living room is getting new wood floors. The flooring is priced at $5.86 per square foot, plus an $800.00 installation fee. The living room measures 18 feet by 13 feet. What is the total cost of the flooring and installation?

• 234 square feet

• $2,171.24

• $1,371.24

• $234

A bright blue parallelogram is painted on the playground. It has a height of 16 feet and a length of 23 feet. What is the area of the parallelogram?

• 39 ft²

• 368 ft²

• 183 ft²

• 736 ft²

The area of an NBA basketball court is 4,700 ft². The width of the court is 50 feet. What is the length of the court?

• 470 ft

• 2,350 feet

• 235,000 ft

• 94 ft

Mrs. Beaird wants to cover a bulletin board with polka dot paper. The bulletin board is 3.5 ft long and 2.5 ft wide. How much paper will she need to cover the board?

• 8.75 ft²

• 6.5 ft²

• 6 ft²

• 12 ft²

A quilt is being made by attaching triangular pieces of fabric together. Each triangle has a base of 6 inches and a height of 6 inches. When the quilt is finished, 24 triangular pieces will be used. What is the area of the quilt (all of the triangular pieces)?

• 36 in²

• 50 in²

• 432 in²

• 144 in²

A large triangular piece of canvas is being used to shade a playground. The canvas measures 27 meters in height and has a base of 23 meters. What is the area of the canvas?

• 310.5 m²

• 50 m²

• 400 m²

• 621 m²