Area of Circles
121π cm²
A toy car has wheels that have a 22 cm diameter. EXACTLY how much space does the wheel take up?
25π m²
Find the exact area of a circle with a diameter of 10 m.
9π cm²
Find the exact area of a circle with a radius of 3 cm.
498.76 in²
How much space is inside of a circle with a radius of 12.6 inches? Round your answer to the nearest hundredth.
169π in²
How much space is inside of a circle with a radius of 13 inches?
Circumference
If I tell you the distance around a circle, what information did I give you?
Area
If I tell you to find the space inside a circle, what am I asking you to find?
19 in
The circumference of a circle is 119.3 inches. We would like use the formula A=πr² to find this circle's area. Therefore, we need the circles radius to plug in! What is the circles radius (round to nearest whole)?
7 in
The circumference of a circle is 14π in. What is the length of the radius?
144π m²
The circumference of a circle is 24π m. What is the area of the circle?
196π ft²
The circumference of a circle is 28π ft. What is the area of the circle?
38 cm
The circumference of a circle is 38π cm. What is the length of the diameter?
5π m
What is the distance around a circle with a diameter of 5 meters? Express your answer in terms of π.
30π feet
What is the exact length around a merry go round with a radius of 15 feet?
