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How do you find the area and perimeter of circle?
First you have to measure the diameter of the circle. The diameter is pi (pi is approximately 3.1415) times the diameter is the perimeter. Half the diameter is the radius and the area of a circle is pi times the radius squared. So for example, let us say that you have a circle with a diameter of 3 inches. The perimeter is then about 9.42 inches, and the area is about 7.07 square inches.
What is area of circle if perimeter of circle is 12.56RR?
Area of any circle = pi*radius2
Is there a circle with the same perimeter as area?
no
What is the least area if the perimeter is 40?
zero is the least area and the max area, is of a circle of perimeter 40 .....
What is the lowest perimeter you can get from a area of 30m?
An area cannot be 30m since that is a linear measure, not the measure of an area. The lowest perimeter, for an area is attained by a circle. So for an area of 30 m2 this was attained by a circle of radius R, then πR2 = 30 so that R2 = 30/π and R = sqrt(30/π) The perimeter = 2*π*R = 2*π*sqrt(30/π) = 2*sqrt(30*π) = 19.42 metres
