What is the diameter if the radius is 8?
16
If my radius is 10ft, what is my diameter?
20ft
What is the diameter if the radius is 5?
10
Determine the radius of the penny
9.5 mm
What is the distance around a circle?
Circumference
Find the Circumference (round to nearest tenth): radius = 13 ft
81.6 ft
Find the Circumference (round to nearest tenth): radius = 15 yd
94.2 yd
Find the Circumference (round to nearest tenth): diameter = 9 ft
28.3 ft
Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?
31.4 in
Find the Circumference (round to nearest tenth): diameter = 4.5 cm
14.1 cm