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Q: What is the area of the rectangle if the radius of each circle is 6cm?

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Using the Circumference And Area.

Why is this an automotive question? The radius of any circle is half of the diameter.

The circle must have a radius. If you do not know it then you find out the area using the diameter, (this is the length of two points directly across from each other on the circle.The equation for the area of a circle when using the diameter =Ï€ Ã— (d/2)Â²By the way, Ï€ is approximately = 3.14159265. or 22/7A circle with no radius has no area and is sometimes considered by certain branches of geometry and topology as a point.

The area of a circle is the number of square units inside that circle, if each square in the circle to the left has an area of 1cm2, you could count the total number of squares to get the area of this circle. However, it is easier to use one the following formulas; A=.r²or A=pi times r times r, where A is the area and r is the radius.

The distance to the center.

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That depends on its radius which has not been given but the area of a circle is pi*radius squared

Using the Circumference And Area.

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 .

The radius of the circle is 7.

You neglected to say whether the 4mm is the radius of the circle, or the diameter,or the circumference. Each possibility leads to a different area.

The radius of a circle is the distance from the circle's centre to its circumference

If the diameter of a circle is 50 mm, what is the radius?

Why is this an automotive question? The radius of any circle is half of the diameter.

each side of the square is 2, so that means the diameter of the circle is 2 as well. and area is found by taking pi times radius squared. and radius is half of diameter. so the radius is 1. that squared is 1. and that times pi is pi. so the area of that circle is 1.

a polygon doesn't have a radius... a circle has a radius. the area of a circle is pi times the radius squared. * * * * * While it is true that a polygon does not have a radius, it does have a circumradius. This is the radius of the circle which passes through each of the polygon's vertices. If the circumradius is r units, and the polygon has n sides, then its area will be 1/2*n*r2*sin(2π/n) square units, where the angle is measured in radians.

You neglected to say whether the 4mm is the radius of the circle, or the diameter,or the circumference. Each possibility gives you a different area.

The circle must have a radius. If you do not know it then you find out the area using the diameter, (this is the length of two points directly across from each other on the circle.The equation for the area of a circle when using the diameter =Ï€ Ã— (d/2)Â²By the way, Ï€ is approximately = 3.14159265. or 22/7A circle with no radius has no area and is sometimes considered by certain branches of geometry and topology as a point.

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