Circle Terms
The Diameter of this circle is 5 units.
Find the radius.
What is 2.5 units?
The radius of this is 5 units
What is 10 units?
The diameter for this circle is 10 mm.
Find the circumference.
What is 31.4 mm?
The radius of this circle is 2 yards
Find the area
What is 12.56 yards squared?
What is the longest chord in a circle - spans the circle from edge to edge and goes through the center?
What is the Diameter?
The diameter is 12 feet
What is 6 feet?
The radius of this circle is 2.5 cm
What is 5 cm?
The diameter for this circle is 13 yards
Find the circumference.
What is 40.82 yards?
The radius of this circle is 3 mm
Find the area
What is 28.26 mm squared?
The diameter of this circle is 27 miles
What is 13.5 miles?
The circumference of this circle is 15.7 units.
Find the diameter.
What is 5 units?
The diameter of this circle is 25 inches.
Find the circumference in terms of pi.
What is 25π inches?
A bakery sells pre-sliced quarters of large cakes for events. The radius of a cake 21 cm.
Find the area of one slice of cake.
What is 1384.74 cm squared?
The diameter of this circle is 437 feet
What is 218.5 feet?
The circumference of this circle is 21.98 feet.
Find the diameter of the circle.
What is 7 feet?
The radius for a semi-circle is 45 cm.
Find the circumference of the semi-circle.
What is 141.3 cm?
The radius of this circle is 52.4 miles
Find the area in terms of pi.
What is 2,745.76π miles squared?
The circumference of a circle is 25.12 cm.
Find the radius.
What is 4 cm?
The circumference of this circle is 18.84 inches.
Find the diameter
What is 3 inches?
Kristine wants to know how many feet she'd be walking if she walked 3/4 of the way around a circular lake that has a radius of 450 yards.
What is 2,119.5 yards?
Find the area of a circle that has a circumference of 40.82 cm.
(HINT: Working backwards from the circumference formula!)
What is 132.665 cm squared?