Module 7 – Review: Area

Brandon and his mother knit over 100 trivets to sell at the local fair. Each trivet is in the shape of a regular octagon. What is the approximate area of one trivet?

• A) 120 square units

• B) 30 square units

• C) 60 square units

• D) 40 square units

A trapezoid has base lengths of 8 yards and 16 yards. If the height of the trapezoid is 10 yards, what is the area of the trapezoid?

• 120 square yards

• 100 square yards

• 140 square yards

• 160 square yards

What is the area of the basement floor? Round to the nearest hundredth if necessary.

• 94.38 square yards

• 85.500 square yards

• 95.750 square yards

• 88.300 square yards

A figure is shown composed of two equal sized triangles. What is the area of the figure? Round to the nearest hundredth if necessary.

• 24 square feet

• 12 square feet

• 36 square feet

• 48 square feet

Tatiana is having new carpet installed in the basement. If the carpet costs $28.65 per square yard, what is the total cost of the carpet?

• Total cost = 94.38 * 28.65 = $2703.99

• Total cost = 80.625 * 28.65 = $2308.91

• Total cost = 100.625 * 28.65 = $2883.91

• Total cost = 70.625 * 28.65 = $2021.91

What is the area of the glass top?

Mathematical Equivalence

ON

Robin and Nezifa are laying tiles in their bathroom. Each tile is shaped like a regular hexagon. Find the area of one tile. Show your work.

____mm²

Mathematical Equivalence

ON

A trapezoid has base lengths of 3 meters and 1.5 meters. If the height of the trapezoid is 2 meters, what is the area of the trapezoid?

• 6 m²

• 5.5 m²

• 5 m²

• 4.5 m²

A parallelogram has a height of 7 inches and a base length of 5 inches. What is the area of the parallelogram?

• 35 square inches

• 30 square inches

• 40 square inches

• 25 square inches

The pattern of the new wallpaper in Kathleen’s bedroom is made of regular heptagons. Each heptagon can be decomposed into congruent triangles. What is the area of fabric in one heptagon?

• 420 mm²

• 320 mm²

• 336 mm²

• 672 mm²