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What is the equation to get the area of a circle if you have the radius?
The area of a circle is given by: pi multiplied by the square of the radius. So if the radius is 15, the area is 225pi (225 is 15 squared)
How do you find out an area of a circle?
pi multiplied by the radius squared
How do you find a area a circle?
The answer depends on what information you are given.
What happens to the area of a circle if you triple a radius?
When you triple the radius of the circle . . . -- The diameter also triples. -- The circumference also triples. -- The area is multiplied by 9 .
How do you find the formula of area of a circle?
pi multiplied by the radius squared
In the formula for the area of a circle what gets multiplied by 3.14?
The radius squared. The radius is half of the diameter
What is the required piece of information tho find the area of a circle?
The only piece of information required to find the area of a circle is the radius of the circle. Once you know the radius of the circle, the area is simply the radius squared multiplied by pi (approximately 3.14).
How is pi in relation to a circle?
Pi is related to the area and the circumference of the circle. The area is Pi multiplied by the radius of the circle squared and the circumference is Pi times the diameter of the circle. if you're wondering how it works, pi is the area of a circle with radius of 1 (unit), and the circumference of a circle with a radius of ½ (unit).
Find the area 2.35m?
The area of a circle is pi multiplied by radius squared. Thus, if the radius is 2.35m, the area is 17.3 square meters.
How can you find the surface area of cicular end?
The area of a circle is 3.141... multiplied by the radius squared.
The radius of a circle is multiplied by 7 Its area is times bigger than the original circle?
The relationship between a circle's radius and it's area is: a = πr2 so if the radius of the circle increases by 7 times, the area will increase by π72 times, or 49π, which is approximately equal to 153.938
How do you ESTIMATE the area of a circle if you know its radius?
Area of a circle = pi multiplied by (radius squared)Pi is approximately 3.141 so do r x r x 3.141
