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Earn +20 ptsQ: What is the area of a circle with an 18cm diameter?
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The diameter equals 18cm how do I find the area?
The general equation for the area of a circle is π*r2, where r is the radius of the circle, and π is pi, which is approximately 3.14159. The diameter of a circle is how far it is from one side of the circle to the other, and the radius is how far it is the from edge to the center, thus the radius is half the diameter. Therefore the area is π*(92) ~ 254.47
What is the diameter of 18cm to inches?
18cm is about 7 inches
If the diamater of a circle is 18cm what is the area?
Area = pi*92 = 254.469 square cm to 3 dp
What is the area of a circle with a diameter of 9.4 m?
The area of a circle with a diameter of 9.4 m is: 69.4 m2
If the area of a circle is 8pi what is the length of its diameter?
If the area of a circle is 8pi, its diameter is: 5.657 units.
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