Composite Figures (shaded region)

What is the area of a circle with a diameter of 10 cm?

• 50 cm²

• 78.5 cm²

• 31.4 cm²

• 100 cm²

If a rectangle has a length of 10 cm and a width of 5 cm, what is its area?

• 30 cm²

• 40 cm²

• 50 cm²

• 60 cm²

How do you find the area of a composite figure?

• Calculate the area of each simple shape separately and then sum those areas.

• Multiply the length and width of the entire figure.

• Use the formula for the area of a rectangle only.

• Estimate the area by measuring the perimeter.

What is the area of a shaded region if the total area is 100 cm² and the unshaded area is 30 cm²?

• 50 cm²

• 60 cm²

• 70 cm²

• 80 cm²

If a triangle has a base of 8 cm and a height of 5 cm, what is its area?

• 10 cm²

• 15 cm²

• 20 cm²

• 25 cm²

What is the area of a rectangle with a length of 12 ft and a width of 8 ft?

• 80 ft²

• 90 ft²

• 96 ft²

• 100 ft²

What is the formula for the area of a triangle?

• Area = base × height

• Area = (base × height) / 2

• Area = base + height

• Area = (base + height) / 2

How do you find the perimeter of a composite figure?

• Add the lengths of all the outer sides.

• Multiply the length of one side by the number of sides.

• Add the area of all individual shapes within the figure.

• Subtract the lengths of the inner sides from the outer sides.

What is the formula for the area of a rectangle?

• Area = length + width

• Area = length × width

• Area = length ÷ width

• Area = length - width

If a playground is 20 ft by 15 ft and has a sandbox of 5 ft by 5 ft, what is the area of the playground excluding the sandbox?

• 250 ft²

• 275 ft²

• 300 ft²

• 225 ft²