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What is the formula for the area of the circle given the diameter?
Wiki User
∙ 15y ago
in place of r (radius) write d/2 where d is diameter
Wiki User
∙ 15y ago
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The diameter of a circle is 2.42 m Calculate its area in proper?
Area is 4.6 m2
How do you find diameter of a circle with the diameter 10?
You have answered this question for yourself; the answer is '10' Do you mean to ask ; What is the circumference/area of a circle, with a diameter of '10'?. If so , commit to memory ' elementary school maths. A = pi r^2 C = 2 pi r or pi d . From this 2r = d Hence 2r = 10 r = 5 C = 10 pi = 31.41592.... units A = pi 5^2 = 25 pi = 78.5398... units^2
What is the area of a circle with a diameter of 8?
Commit to memory A = pi r^2 C = 2 pi r or pi d NB 2r = d This is elementary school maths. Hence if d = 2r 8 , then r = 8/2 = 4 Hence A = pi 4^2 A = 16 pi pi is a constant at 3.141592.... A = 16*3.41592.... = 50.26554.... units^2
Formula for finding the area of a cylinder?
2 pi r h
What is the formula used to calculate probability?
force over area=pressure
What is the formula for finding diameter when given the area?
Assuming you mean a circle, use the formula for the area of a circle, which is usually expressed in terms of the radius, and solve for the radius. Then you can multiply that by two to get the diameter, since the diameter is twice the radius.
What is the formula to find the area of a circle with with a diameter?
if you are given a diameter divide it by two to get the radius! From then on, it is just simple Pi R Squared
Which area is bigger a circle with a diameter of 10 feet or a triangle with an area of 100 sq ft?
Use the standard formula to calculate the area of the circle, then you can compare with the area given for the triangle. Note 1: The formula for a circle is: area = pi x radius squared Note 2: The radius is half the diameter
What is the area The diameter of a circle is 8 feet.?
The area of a circle can be found using the formula A = πr^2, where r is the radius of the circle. Since the diameter is given as 8 feet, the radius would be half of the diameter, which is 4 feet. Plugging this into the formula, the area of the circle is approximately 50.27 square feet.
How do you work out the area of a circle in a square?
The formula for the area of a circle is pi x radius2. The radius is half the diameter, and the diameter of an inscribed circle is the same as the length of a side of the square.The formula for the area of a circle is pi x radius2. The radius is half the diameter, and the diameter of an inscribed circle is the same as the length of a side of the square.The formula for the area of a circle is pi x radius2. The radius is half the diameter, and the diameter of an inscribed circle is the same as the length of a side of the square.The formula for the area of a circle is pi x radius2. The radius is half the diameter, and the diameter of an inscribed circle is the same as the length of a side of the square.
What is the formula for area of the circle?
The formula for area of a circle is TTr2.This means that we multiply 3.14(the rounded off nunber for pi) by the radius and radius(3.14xradiusxradius).If the diameter is given,divide it by 2 to get the radius.
How do you figure the area of a circle if you know the diameter?
The formula for the area of a circle is: area = pi x radius2. The radius is half the diameter.
What is the formula for the area of a circle with a diameter?
The general formula for the area of a circle is pi times the radius squared. The radius is half the diameter, so the area is pi times half the diameter times half the diameter again.
Find the diameter of a circle whose area is 78.5cm2?
The formula for the area of a circle is A = πr^2, where A is the area and r is the radius. We can solve for the radius by rearranging the formula: r = √(A/π) Given that the area is 78.5cm^2, we can substitute this value into the formula: r = √(78.5/π) ≈ 5.01cm Finally, we can calculate the diameter by doubling the radius: d = 2r ≈ 10.02cm Therefore, the diameter of the circle with an area of 78.5cm^2 is approximately 10.02cm.
What is the formula for finding the diameter with the area?
If Area of a circle = (2)(pi)(r), and diameter = 2r, then: diameter = 2r = Area of circle / pi, where pi = 3.14
What is the mathematical formula for finding the radius of a circle?
To calculate this you will need the diameter of the circle. The formula is: diameter/2*pi If you don't know the diameter you can also use the area of the circle: Sqrt(Area/pi) = radius
What is theRelationship between the diameter of a circle and the area of the same circle?
The area of a circle is given by the formula pi*r^2, where r is the radius of the circle. Diameter = 2*r, so: area = pi*(d/2)^2 = (1/4)*pi*d^2
