Parts of Circle Circumference Area

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 diameter of this circle?

• 88 in

• 28 inches

• 116 square in

• 14 inches

Tags

CCSS.7.G.B.4

What is the name for the "perimeter" of a circle?

• Perimeter

• Gerald

• Circumference

• Diameter

How long is the radius of this circle?

• 4cm

• 2cm

• 8cm

• 16cm

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

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

• 1384.74 cm²

• 2142.12 cm²

• 4348.08 cm²

• 1289.12 cm²

Tags

CCSS.7.G.B.4

What is the formula for circumference of a circle given the diameter?

• C = π(1/2 d)²

• C = 2πr

• C = πd

• C = πr²

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

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft

• 246.2 ft

• 365.56 ft

• 392.5 ft

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