Exploring 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

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft
• 42 ft
• 65.94 ft
• 131.95 ft

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68 mm
• 18.84 mm
• 78.5 mm
• 25 mm

Tags

CCSS.7.G.B.4

Find the circumference? 

• 87.92 in
• 43.96 in
• 615.44 in
• 21.98 in

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

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

• 11.5cm
• 9.42 cm
• unicorns are awesome!!
• 45.3 cm

Tags

CCSS.7.G.B.4

What is the circumference of the circle shown? 

• 50.24 cm
• 25.12 cm
• 16 cm
• 12.56 cm 

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft
• 12.25 ft
• 10.99 ft
• 8.75 ft

Tags

CCSS.7.G.B.4

Daniel wants to buy cookies for her 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 radius of a circle with a circumference of 75.36 feet.

• 24 feet
• 12 feet
• 6 feet
• 36 feet

Tags

CCSS.7.G.B.4