Area Circles Rectangles Triangles Trapezoids

What is the formula for calculating the area of a circle?

• 2πr

• πr^2

• 2πd

• πd

Which of the following is a characteristic of a trapezoid?

• Having one pair of parallel sides

• Having all sides of equal length

• Having no right angles

• Having all angles of equal measure

What attribute is used to determine the area of subdivisions in a composite figure?

• Area

• Perimeter

• Volume

• Circumference

How can the area of a composite plane figure be determined?

• By adding the areas of the subdivisions

• By subtracting the areas of the subdivisions

• By dividing the areas of the subdivisions

• By multiplying the perimeters of the subdivisions

How can the area of a composite figure be calculated if the areas of the subdivisions are known?

• By dividing the areas of the subdivisions

• By multiplying the perimeters of the subdivisions

• By subtracting the areas of the subdivisions

• By adding the areas of the subdivisions

What is the area of the rectangle?

• 15 cm²

• 8 cm²

• 2 cm²

• 16 cm²

Find the area

• 41

• 45

• 44

• 43

Find the area of the circle

• 43.96 sq units

• 153.86 sq units

• 87.82 sq units

• 307.72 sq units

Find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Area is...

• the distance around an object

• the amount of space in a figure

• rectangles, parallelograms, triangles, trapezoids, circles

• volume