Area and Perimeter of Rectangles, Triangles, and Circles

The Carillo family has a circular swimming pool with a diameter of 10 feet. Find the area of the pool cover to the nearest tenth.

• 94 ft²

• 53.4 ft²

• 70.9 ft²

• 78.5 ft²

Perimeter of triangle?

• 20 cm

• 56 cm

• 28 cm

• 27 cm

What is the perimeter of this figure?

• 12 in.

• 10 in.

• 11 in.

• 13 in.

Area of triangle?

• 20 cm²

• 56 cm²

• 28 cm²

• 27 cm²

What is the area?

• 12 cm²

• 14

• 14 cm²

• 24 cm²

What attribute is used to determine the perimeter of a composite figure?

• Length of sides

• Area of subdivisions

• Volume of subdivisions

• Circumference of subdivisions

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

• 2πr

• πr^2

• 2πd

• πd

What formulas can be applied to solve problems involving composite plane figures?

• Diameter, radius, and area formulas

• Volume, surface area, and perimeter formulas

• Length, width, and height formulas

• Perimeter, circumference, and area formulas

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

• Area

• Perimeter

• Volume

• Circumference

Which attribute is used to determine the perimeter of a composite plane figure?

• Circumference of the subdivisions

• Volume of the subdivisions

• Area of the subdivisions