How do you get the radius of a circle if you have the area?

To find the radius, divide the area by pi, then take the square root.

How do you find the C of a circle with the radius?

The circumference of a circle is given by multiplying 2π with its radius. So, the formula to find the circumference of a circle C is C = 2 π r, where r is the radius.

How do you find the radius of a circle with the central angle?

Or the central angle and the chord length: Divide the central angle in radians by 2 and perform the sine function on it. Divide the chord length by double the result of step 1. This calculation gives you the radius.

What is C of a circle?

The distance around a circle on the other hand is called the circumference (c). A line that is drawn straight through the midpoint of a circle and that has its end points on the circle border is called the diameter (d)

What is the formula for the circumference C of a circle?

To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).

What is the area of a disk with radius R?

πr2
Key Terminology: A disk is a planar circular object with a circular boundary. Area of a disk of radius r is given by: A=πr2.

What is area multiplication?

Multiplying by a 1-digit number using area models Show the problem as the area of a rectangle, and then break that rectangle into smaller chunks for easier solving. This method is also known as box multiplication.

Can you have a circle with an area of 36 Pi?

Actually, you cannot have a circle with an area of 36 pi. If you ask me how much I weigh, can I answer “I weigh 110.”? Something is missing. Units.

What is the radius of the circle 36 pie cm^2?

– Brainly.com The area of a circle is 36 pie cm^2 what is the radius of the circle? To break down the steps back to radius, the formula is placed reversely in Since 36 is without pie, square root is needed. Therefore, 6 cm is the radius.

How do you find the radius of a circle with a square?

The side length of the square is the diameter of the circle. Radius is half of the diameter. So, half of 6 cm is 3 cm; this is the radius of the circle. What does Google know about me? You may know that Google is tracking you, but most people don’t realize the extent of it.

Can you scale down a circle with a radius of 0?

Plus, circles with non-zero radius are scalable. For example, you can scale up a circle with a radius of 1 to a radius of 2, and all of the points on the circle will transform to their new positions via well-defined mathematical functions. But a circle with a radius of zero cannot be scaled to any other radius.