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Area and circumference of circles
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The Jeep spare tire cover has a radius of 16 inches. What is the circumference of the cover?
100.53 inches
The diameter of the window is 5 feet. What is its area?
19.634 ft^2
What is the approximate value often used for pi?
3.14
What is the radius of a circle when the diameter is 18 inches?
9 inches
What is the formula for finding the area of a circle?
Ï€r^2
What's the formula for finding the circumference of a circle?
Ï€d or 2Ï€r
Calculate the area of this shape
50.3 cm^2
Calculate the area of this shape
78.5 cm^2
Calculate the area of this shape
28.3cm^2
Calculate the area and circumference of this shape
A= 50.3 cm^2 and C = 25.1 cm
Calculate the area and circumference of this shape
A= 63.5cm^2 and C= 28.3cm
Calculate the circumference of this shape
22.0cm
Calculate the circumference of this shape
31.4cm
Calculate the circumference of this shape
18.8cm