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the area doubles. for example: the radius is 2. so the area is 4pi. then double the original radius of 2 to 4 and the area is 8pi. 8pi is double 4pi.

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Q: What happens to the area of a circle if you double the original radius?
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What happens if double the diameter?

Nothing happens. A person sitting next to you won't know that you did anything to your circle. But you'll have a bigger circle. The radius will be double the originasl radius. The circumference will be double the original circumference. The area will be four times the original area.


What happens to the area of a circle if yo double the radius?

Nothing - if you double the radius you will get the diameter. The area of the circle will remain the same


If you double the radius of a circle what happens to the area?

If you double the original radius, the area will become 4 times what it was. The area of a circle is pi*r^2 = A. If our new radius (lets say x) is double (x=2r), we have pi*x^2 = pi*(2r)^2, which equals 4*pi*r^2 = 4A, or 4 times the original area.


What happens to the circumference of a circle if you double the radius?

The circumference also doubles.


If you triple the radius of a circle what happens to the area?

The result is 9 time the original.


What happens to the area of a circle whose radius is halved?

the area of the circle will be 1/4 of its original area


What happens to the area of a circle when the radius is cut in half?

the area of the original is 4 times the new value.


What happens to the area of a circle when the radius is triple?

The area increases as the square of the radius (or diameter). So if you double the radius you * 4 (quadruple) the area. Treble the radius, you *9 the area.


What happens if you double the diameter of a circle?

You get 2 circles of diameter. If you were trying to find a perimeter, Never double the diameter. If you have a radius, You have to double it to get a perimeter.


What happens to the circumference of a circle when the radius is doubled?

The circumfrence would double Example : C of 5 cm radius circle = 3.14 *2*5 C=3.14 C of 10cm radius circle = 3.14*2*10 C =62.8


What happens to the area of a circle when the radius is doubled tripled?

The area increases as the square of the radius (or diameter). So if you double the radius you * 4 (quadruple) the area. Treble the radius, you *9 the area.


If the radius of a circle is cut in half what happens to the area?

it is cut down by a factor of four since it is proportional to square of radius