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If you triple the radius of a circle, the area will increase by 9. Area is proportional to the square of the radius.

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โˆ™ 2011-11-17 20:45:41
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Q: What happen to the area of circle when the radius is tripled?
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What happens to the area of a circle if the radius is tripled?

The circle becomes an oval


What happens if a circle's radius is tripled?

If the radius is tripled then the Area will be greater by a factor of 9. And the circumference will be greater by a factor of 3.


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.


When the radius of a circle is tripled what happens to the area?

It is increased nine fold. New Area = 9*old area.


If area of a circle is tripled what haappens to the circumference?

The formula for the area of a circle is, A = πr2 If the area is tripled then the larger circle has an area of A2 = πR2 (where R is the new radius) But, πR2 = 3πr2 : R2 = 3r2 : R = r√3 The circumference of the original circle was 2πr. The circumference of the larger circle is 2πR = 2πr√3 Therefore, if the area is tripled, then the circumference increases by √3.


If the radius of a sphere is tripled what is going to happen to surface area?

If the radius of a sphere is tripled, the surface area increases by (3)2 = 9 times, and the volume increases by (3)3 = 27 times.


If you divide a radius of a circle by 2 what will happen to the area?

If the radius of a circle becomes 1/2 as long, the area becomes 1/4 as much.


If the diameter of a circle 20 cm is tripled what will the area be?

If the diameter of a circle 20 cm is tripled the area will increase from 314.2 cm2 to 2,827 cm2


What happen to the area of circle when the radius is triple?

The area increases to nine times the original area.


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

The area of the circle becomes 9 times the area of the original circle. Original circle = Pi * (r ^ 2) = Pi * r * r New Circle = Pi * ((3 * r) ^ 2) = Pi * 9 * r * r


When the radius of a circleis tripled what happens to the circumference and the area of the circle?

Circumference(C) = 2πr C is directly proportional to r. If radius is tripled then circumference becomes three times of the initial. Since the radius is tripled so the new radius is 3r. New circumference(C') = 2π(3r) = 3 x (2πr) = 3 x C Area = πr2 A is directly proportional to r2. If radius is tripled then area becomes 9{square of 3} times of the initial. New radius is 3r. New Area(A') = π (3r)2 = 9 x π r2 = 9 x A.


What is the area of a circle with the radius of 14.4?

The area of a circle with a radius of 14.4 is 651.4

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