Area, Perimeter, and Circumference

A DVD has a diameter of 15 millimeters. Which equation would help you determine the area?

• A = 15²π

• A = 2π15

• A = 7.5²π

• A = 15 π

A circle has a radius of 5 cm. What is the area?

• 78.5 cm²

• 31.4 cm²

• 15.7 cm²

• 314 cm²

The diameter of a quarter is 24.26 mm. What is closest to the circumference of the outer edge of the quarter? Use 3.14 for Pi.

• 76.18 mm

• 38.01 mm

• 463 mm

• 1,848 mm

The diameter of the wheel on a bicycle is 24 inches. Which is closest to the circumference of the wheel?

• 25.36 in

• 37.68 in

• 75.36 in

• 452.16 in

What is the radius?

• 1.5cm

• 3cm

• 6cm

• 9cm

What does perimeter mean?

• the amount of space inside a shape
• the distance around the shape
• the amount of space inside a shape divided by two
• half the distance around a shape

What is the missing measurement? 

• 9 cm
• 18 in
• 18 cm
• 9 in 

The label for area is 

• units squared
•  units
• you do not need a label.

Match the rectangle to the correct area.

• 24 sq cm

• 
• 48 sq cm

• 
• 16 sq cm

• 

Tags

3.6C

Find the AREA of this figure.

• 160 square feet
• 160 feet
• abcdefghijklmnopqr
  stuvwxyz
• 1600 feet