Circles- Parts, Circumference & Area

What is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

What is the circumference of this circle?  (Round to the nearest whole number)

• 88 in
• 44 in
• 116  in
• 80 inches

The diameter of a circle is 3 centimeters. What is the circumference?

• 11.5cm2
• 9.42 cm2
• unicorns are awsome
• 45.3 cm2

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.5.MD.A.1

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

What is true about this circle?

• Radius is : DC
• Diameter is: BA
• Radius is :DE
• Diameter is: DC

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

What is the radius of this circle?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Find the area of the circle.  The radius is 7 cm. 

• 43.96 cm
• 153.86 cm
• 87.82 cm
• 307.72 cm