Area Circumference Perimeter

What is the perimeter of this rectangle?

• 21 units

• 12 units

• 3 units

• None of the above.

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

The circumference of a circle is

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

• The measurement from the center of the circle to an edge of the circle

What is the diameter?

• 8

• 16

• 10

• 4

What is the formula for finding the circumference of a circle?

• C = r²

• C = rd

• A = π·r²

• C = π·d

Find the area of this triangle.

• 12 in²

• 22 in²

• 18 in²

• 24 in²

Find the area.

• 25 in²

• 70 in²

• 80 in²

• 56 in²

Find the area.

• 108 cm²

• 60 cm²

• 432 cm²

• 216 cm²

Find the Area.

• 91 ft²

• 77 ft²

• 78 ft²

• 105 ft²

Find the area of the figure.

• 35 units²

• 70 units²

• 30 units²

• 168 units²