Decompose to Find Area

What is the area of this figure?

• 10 cm2

• 25 cm2

• 20 cm2

• 5 cm2

What is the area of this figure?

• 33 cm2

• 66 cm2

• 17 cm2

• 11 cm2

What is the area of this figure?

• 56 cm2

• 112 cm2

• 16 cm2

• 60 cm2

Decompose the trapezoid into a rectangle and two right triangles. What is the area of this trapezoid? (Note that the diagram is not to scale).

• 45 ft²

• 72 ft²

• 57 ft²

• 40 ft²

Decompose the regular hexagon into 6 matching triangles. What is the area of the hexagon? (Round to the nearest hundredth as needed).

• 64.95 ft²

• 129.9 ft²

• 10.83 ft²

• 32.48 ft²

The Scaasi's living room is a rectangle measuring 13 ft by 9 ft. What is its area?

• 117 ft²

• 130 ft²

• 58.5 ft²

• 104 ft²

Find the area of the square.

• 12,100 ft²

• 440 ft

• 220 ft²

• 10,100 ft²

A rectangular banner measures 3 ft by 5 ft. How much material do you need for 8 banners?

• 120 ft²

• 15 ft²

• 15 ft

• 120 ft

Roger and Joanne are planting a rectangular garden. The garden is 9 1/2 ft by 13 ft. They want to use half the garden for cucumbers and half the garden for tomatoes. They decide to separate the garden into the two right triangles as shown. What is the area of the tomato part of the garden?

• 61.75 ft²

• 61.75 ft

• 123.5 ft²

• 123.5 ft

Michael is planting a garden. It has the shape of a right triangle. He wants 2 plants for each square yard of area. How many plants does he want in the garden?

• 168 plants

• 84 plants

• 175 plants

• 600 plants