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The area of a circle with a known radius can calculated using the following formula where r is the radius : A = Pi(r)2
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∙ 11y ago
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What is the formula for finding the area of a semi-circle in terms of pi?
semi means half A semi-circle is half a circle The formula for the area of a circle is A = (Π * r^2) Area of semi circle = (Π * r^2) ÷ 2
What is pr2?
It is the formula for finding the area of a circle which means: pi times radius squared
What does the formula Pi r2 mean?
It is the formula used in finding the area of a circle which is pi times radius squared
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 the area of a circle if the radius is 18cm?
Using 3.14 as Pi the area of circle is: 1017.36
Is the formula for finding the area of an oval the same as the formula for finding the area of a circle?
No because the formula for finding the area of an oval, which is an ellipse, is quite different
What is formula ofr finding area of a circle?
Area of a circle = pi*radius squared
Why do you use the radius in the formula of finding the area of a circle?
Area of circle = pi*(radius)2
Formula for finding the area if you have radius?
Area of a circle = pi*radius2
What is the formula for finding circumference and area of a circle?
Circumference of a circle is (pi * diameter). Area of a circle is (pi * r2).
What is the formula for finding the area for a circle?
go to the related link below Titled (Calculate the Area of a Circle).
When finding the area of a circle is the answer squared?
The area of a circle is measured in square units. The formula is: pi*radius2
What is the formula used for finding area of a circle?
area= pie*(r^2) = πr2
What is the formula of finding the area of a circle?
Pi * R squared, where R is the radius of the circle in question
What is the formula for finding the area of a semi-circle in terms of pi?
semi means half A semi-circle is half a circle The formula for the area of a circle is A = (Π * r^2) Area of semi circle = (Π * r^2) ÷ 2
What is the area of a circle if it has a diameter of 16 inches?
Formula for finding the area of a circle: Area = pi * r2 a = 3.14 * 82 a = 3.14 * 64 a = 201.06
What is the formula for finding the area of a circle when you know the diameter?
D=Diameter, pi=3.14159... Area of circle = (D/2)2 * pi
