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The radius of a circle whose circumference is 40pi is 20 units.

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15y ago

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What is the radius of a circle with a circumference of 40 inches?

radius = 40/(2*pi) in inches


What is the circumference of a 40 inch circle?

Circumference of any circle = 2*pi*radius or diameter*pi


What is the circumference of a circle with a radius of 40 feet?

251.2 feet


What is the circumference of a 40 mm circle?

Oh, dude, you're hitting me with some math here. So, the circumference of a circle is calculated by multiplying the diameter by pi (π). Since the diameter of a circle is twice the radius, and you've given me the radius (40 mm), I can tell you that the circumference of a 40 mm circle would be approximately 251.2 mm. It's like math, but with a side of sarcasm.


What is the diameter of a circle whose radius is 20 ft?

40 ft


If a circles radius is 20 inches what is the circumference?

1256 inches ++ Another Answer ++ The formula for finding the Circumference of a circle is C = Pi x D where D is Diameter and Pi is 3.1416. The Radius of a circle is one-half of the Diameter, hence the Diameter of a circle with a 20-inch Radius is 40 inches. Using the formula above, multiply 40 x 3.1416 to find the Circumference: 40 x 3.1416 = 125.664 inches.


Is a circle with a area of 40 more less or same than a circle with a radius of 4?

In order to even discuss this question, we must assume that the unit of the '40' is the square of the unit of the '4'. -- The radius, diameter, and circumference of the circle with an area of 40 are each 10.794% shorter than the corresponding measurement in the circle with radius = 4 . -- Its area (40) is 20.423% less than the area of the circle with the radius of 4 .


How can i find the circumference of circle with radius of 40 inches?

The formula to figure out the circumference of a circle is C=2(pi)r. So with a circle that has a radius of 40 inches, you can set up the formula like: C=2(pi)40. To figure this out on a calculator, multiply 2 with pi and then multiply that answer with 40. If you do not have a pi symbol on your calculator you can multiply 2 with 3.14159 then multiply that answer with 40.


What is area of a circle with 40 foot circumference?

Radius: 40/2pi = 6.366197724 Area: pi*6.366197724 squared = 127.324 square feet rounded


Finding the circumference of a circle with a radius of 6.3?

Circumfrence is 2 times pi times the radius 6.3 x 2 x 3.1415 39.5829 approximately 40


What is the diameter radius circumference and are of a circle with a diameter of 80 ft?

Diameter: Well, you said it yourself, 80 feet. Diameter is the distance across the widest part of a circle. Radius: The radius of a circle is half of the diameter, so in this case, it would be 40 feet. The radius is the distance from the center of the circle to the outside. Circumference: The formula for circumference is Pi (3.14 or 22/7) times the diameter. In this case, it would turn out to be 251.2 feet. Area: The formula for the area of a circle is Pi time the radius squared. So, you square the radius and multiply that by Pi (3.14). In this case, it would be 15775.36 feet squared. I hope I made sense. :)


What the radius d20 cm?

The radius of a circle is the distance from its center to any point on its circumference. If the radius is given as 20 cm, this means that every point on the circle is 20 cm away from the center. In terms of diameter, this would make the diameter 40 cm, as the diameter is twice the radius.