Area and Circumference

What is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

Tags

CCSS.7.G.B.4

Find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Tags

CCSS.7.G.B.4

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Tags

CCSS.7.G.B.4

Daniel wants to buy cookies for his friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?

• 10 in

• 2.5 in

• 15.7 in

• 31.4 in 

Tags

CCSS.7.G.B.4

Find the circumference of the circle

• 50.24 yd

• 25.12 yd

• 11.14 yd

Tags

CCSS.MATH.CONTENT.7.G.B.4

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Tags

CCSS.MATH.CONTENT.7.G.B.4

What is the formula for Circumference?

• C = π×r²

• C = 2×π×r

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

Tags

CCSS.7.G.B.4

What is the area of this circle? Use the Pi button.

• 452.39 cm²

• 139.12 cm²

• 113.1 cm²

• 84.23 cm²

Tags

CCSS.7.G.B.4

Which of the following is the most accurate definition of π ?

• The ratio of the circumference of any circle to its diameter.

• It is exactly 3.14

• It is exactly 3.1415

• It is exactly 3.141593

Tags

CCSS.HSG.GMD.A.1