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How do you find the area of a circle when the radius is unknown?
By using the other information supplied about the circle to calculate either its radius (from which its area can be calculated) or its area (if the circle is similar to another with a given area and some ratio between the two circle is given):If the diameter is given: radius = diameter ÷ 2If the circumference is given: radius = circumference ÷ 2πIf the circle is similar to another circle which has a given area, and the length ratio is given; square the length ratio to get the area ratio and apply to the given area.
What is a radius square?
When you try to figure out an area of a circle, you square the radius, then multiply it by pi to get the area of a circle. A radius square is radius x radius, or radius squared.
If a circle has a radius of 12 meters what is the area half of the circle?
The area of any circle is (pi) x (radius)2 .The area of half the circle is just half of that number.
What is the area of a circle 5m?
A circle with a radius of 2.5 meters has an area of 19.63 square meters.
What is the area of a circle with a radius of 3 meters?
A circle with a radius of 3 meters has an area of 28.27 square meters.
What is the total area of the top surface of the 8cm circle?
That would depend on its radius which has not been given but the area of a circle is pi times radius squared
What is the area of a 64 inch circle?
That will depend on whether the 64 inches is the radius, diameter, or circumference of the circle.
What is the number of square units occupied by the circle?
That would depend on its radius because the area of a circle is pi times radius squared
How many square inches in a 1.75 circle?
That will depend on what is meant by a 1.75 circle but the area of a circle is pi times radius squared
How do you find the area of a circle when the radius is unknown?
By using the other information supplied about the circle to calculate either its radius (from which its area can be calculated) or its area (if the circle is similar to another with a given area and some ratio between the two circle is given):If the diameter is given: radius = diameter ÷ 2If the circumference is given: radius = circumference ÷ 2πIf the circle is similar to another circle which has a given area, and the length ratio is given; square the length ratio to get the area ratio and apply to the given area.
What is the area of a circle if the radius is 9m?
The area of a circle if the radius is 9m 254.5m2
What is the radius of a circle with the area of 36?
The radius of a circle with the area of 36 is 3.385
What is the area of a circle with the radius of 21?
The area of a circle of radius 21 is 1386
What is the area of circle with a radius of 35?
Area of a circle = pi*radius squared
What is the area of a circle with the radius of 14.4?
The area of a circle with a radius of 14.4 is 651.4
How do you write a programme in cpp to calculate the area of circle?
it wil depend upon what r the inputs but i assume that radius is input ##########SOURCE CODE############### include <iostream.h> int main () { float radius=0; float area=0; cout << "ENTER RADIUS OF THE CIRCLE : "; cin >> radius ; area = 3.14 * radius * radius; cout <<"\n\n THE AREA IS : "< return 0; }
What is the area of the semicircle (use 3.14 for and rho)?
That would depend on the radius which has not been given but the area of the semi circle will be (pi*radius squared)/2
