Circumference Area Perimeter

What is the diameter of the circle shown?

• 8

• 96

• 24

• 16

Ms. Harrap wanted to cover the classroom with new carpet. If the length of the classroom was 12 m and the width was 8 m. How much carpet would she need to buy?

• 20 m

• 40 m

• 96 m²

• 40 m²

Farmer Bob needs to build a fence for his chickens. The area he wants to build a fence around is 40 m long and 20 m wide. How many meters of fence does he need to buy?

• 800 m

• 120 m

• 60 m

What is π ? (Best Choice)

• The ratio of the circumference of any circle to its diameter.
• Exactly 3.14
• Exactly 3.1415
• Exactly 3.141593

A Circle has a radius of 4.  What is the circumference of the circle? (Best Choice)

• 4π or about 12.56
• 16π or about 50.24
• 2π or about 6.28
• 8π or about 25.12

A center circle on a AFL pitch has a diameter of 12 m. What is the area of the circle? (Best Choice)

• 6π or about 18.84 m²

• 12π or about 37.68 m²

• 36π or about 113.04 m²

• 144π or about 452.16 m²

Danielle wants to buy cookies for her friend. The

radius of a cookie is 5 cm. What is the distance around the cookie to one decimal place?

• 10 cm

• 2.5 cm

• 15.7 cm

• 31.4 cm

A ball has a circumference of 3π cm. What is the diameter?

• 29.5788 cm

• 59.1576 cm

• 3 cm

• 1.5 cm

What is the area of the triangle?

• 168 square units
• 84 square units
• 105 square units
• 91 square units

A perimeter of a rectangle is 34 meters.  The width is 4 meters.  What would the length be? (Hint: 2 sides are each 4 meters; the other 2 sides must each be equal!)

• 17 m
• 13 m
• 15 m