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If The exact area of a circle is 81pi square inches what are the radius and diameter of the circle explain?
Wiki User
∙ 6y ago
The radius is 9 inches because area of circle is pi*9 squared = 81pi square inches and the diameter is twice the radius which is 2*9 = 18 inches
Wiki User
∙ 6y ago
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What is the diameter of circle if the radius is 4 inches?
8 inches; the diameter of a circle is twice its radius.
If the radius of a circle is 13 inches what is the diameter?
The diameter of any circle is twice its radius. A circle with a radius of 13 inches will have 2 x 13 = 26 inches for a diameter.
What is there if the radius is 7 inches and the diameter is 14 inches?
A circle 14 inches in diameter has a radius of 7 inches, and a circle having a radius of 7 inches has a diameter of 14 inches.
What is diameter of a circle with the radius of 54 inches?
The diameter is essentially twice the radius, so therefore a circle with a radius of 54 inches has a diameter of 108 inches.
A circle has a diameter of 4 inches what is its radius?
Two inches. The radius of a circle is 1/2 of the diameter.
If he radius is 12 inches what is the diameter?
The radius of a circle is one-half of the circle's diameter. So if the radius is 12 inches, the diameter is 24 inches.
What is the diameter of circle if the radius is 4 inches?
8 inches; the diameter of a circle is twice its radius.
If the radius of a circle is 13 inches what is the diameter?
The diameter of any circle is twice its radius. A circle with a radius of 13 inches will have 2 x 13 = 26 inches for a diameter.
If a circle's radius is 2.5 inches what is its diameter?
The diameter is double the radius of a circle. So you get 5 inches for the diameter.
What is there if the radius is 7 inches and the diameter is 14 inches?
A circle 14 inches in diameter has a radius of 7 inches, and a circle having a radius of 7 inches has a diameter of 14 inches.
What is diameter of a circle with the radius of 54 inches?
The diameter is essentially twice the radius, so therefore a circle with a radius of 54 inches has a diameter of 108 inches.
What would be the radius of a circle with a diameter of 8 inches?
Radius is one-half of the diameter of a circle. Therefore, the radius of an eight-inch diameter circle is four inches. The diameter of a circle is a straight line joining a point on the circumference through the centre to the 'opposite' point on the circumference.
A circle has a diameter of 4 inches what is its radius?
Two inches. The radius of a circle is 1/2 of the diameter.
How do you find the radius of a circle given the diameter?
The radius of a circle is half of the diameter! So, if the diameter was four inches, the radius would be two inches!
If a circle has a radius of 3 inches what is the circle's diameter?
6 inches. always multiply radius by 2 to get diameter
If the radius of a circle is 2 inches what is the diameter?
its 4..... the radius of a circle is half of the diameter
What is the radius of a circle if the diameter is 72 inches?
The radius of any circle is half the diameter.
