Area and Circumference of a Circle

The radius is 8 inches.  What is the circumference?

• 50.24 inches

• 25.12 inches

• 12.56 inches

• 200.96 inches

Tags

CCSS.7.G.B.4

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)?

• 9.25 cm²

• 9.62 cm²

• 9.15 cm²

• 9.99 cm²

Tags

CCSS.7.G.B.4

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.

• 4 in.

• 8 in.

• 12 in.

• 16 in.

Tags

CCSS.7.G.B.4

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

Tags

CCSS.7.G.B.4

What is the circumference of this circle?  Round to the nearest tenth.

• 3.14 cm 

• 37.7 cm

• 24 cm

• 68.4 cm

Tags

CCSS.7.G.B.4

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm

• 3.14 mm

• 31.4 mm

• 20 mm

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

Tags

CCSS.7.G.B.4

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 21 cm?

• 131.9 cm

• 121.9 cm

• 111.9 cm

• 141.9 cm

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 13.5 mm.

• 37.68mm

• 18.84mm

• 84.78 mm

• none of the above

Tags

CCSS.7.G.B.4