Circles Part 1

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

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

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

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

What is the area of this circle?

• 163.2 cm²
• 15.3 cm²
• 124.2 cm²
• 113.1 cm

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

• C = π(1/2 d)²
• C = 2πr
• C = πd
• C = πr²

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.EE.B.3

CCSS.7.G.B.4