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The perimeter would triple and the area would be multiplied by nine (32). Circumference (perimeter) is (2 x pi x r), so would be (6 x pi x r) for triple the radius, and area is (pi x r2), so would be (pi x 32 x r2) for triple the radius.

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โˆ™ 2008-03-13 01:34:34
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Q: When the radius of a circle is tripled what happens to the perimeter and area of the circle?
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Related questions

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

The circle becomes an oval


What happens to the diamenter of a circle if you triple the radius?

It will be twice the size of the tripled radius


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.


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

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


What is the formula for finding the radius of a circle when you have the perimeter?

2*pi*radius = perimeter or circumference of a circle radius = circumference/2*pi


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

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


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.


Why would the perimeter triple and the area multiply by nine when the radius of a circle is tripled?

Because the perimeter (circumference) is 2*pi*r is proportional to r. The area a = pi * r2 is proportional to r2


Is the radius the measurement of the perimeter of a circle?

No.


How does the volume of a cone change if the radius is tripled?

it looks like a circle.


What is the perimeter of a circle with a radius of 5cm?

The circumference of a circle with a radius of 5cm is: 31.42 cm


Is radius the peimeter of a circle?

No because the perimeter of a circle is its circumference


How do you calculate the perimeter of a circle?

The perimeter or circumference of a circle = 2*pi*radius or pi*diameter


What is the perimeter of 21 of a circle?

The perimeter which is the circumference of a circle is: pi*diameter or 2*pi*radius


How do you draw the radius of a circle?

A line of any length may act as the radius of a circle. The radius is the distance from the centre to the perimeter of a circle.


If the radius of a circle is tripled what happens to the circumference?

Circumference = pi x diameter so if the radius is 5 then the diameter is 10 Circumference = pi x 10 = 31.415 If we triple the radius to 15, then the diameter is 30, so Circumference = pi x 30 = 94.245 Which looks like triple the first circumference. So if the radius is tripled, the circumference is also tripled.


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 is the radius of the circle equal to?

Radius of a circle= Perimeter of the circle/2*pi Radius is half the diameter Radius is the length of a straight line from the center point of the circle to the edge of the circle.


How is the diameter related to the radius of a circle?

The radius of a circle is a line that starts at the center of the circle and ends somewhere along the perimeter of the circle. The diameter is a line that starts at the perimeter of a circle, goes through the center of the circle, and ends at the opposite perimeter of the circle. This a diameter is twice as long as a radius and can be thought or as consisting of two radii.


What is the equation of the perimeter of a circle?

perimeter = pi * diameter, or 2 * pi * radius


A straight line from the center to the perimeter of a circle?

Its radius.


What is the radius of a circle of perimeter 40 cm?

Radius = 40/2pi cm


Find the area and perimeter of a given circle?

If 'R' is the radius of the circle, then-- area of the circle is [ pi R2]-- perimeter of the circle is [ 2 pi R ]


Formula for perimeter of a circle?

Circumference or perimeter = 2*pi*radius or pi*diameter


How do you find the radius of a circle if you know the perimeter?

you can divide the perimeter(circumference) by pi(3.14) and then once you get your answer you divide that by two giving you the length of the radius of the circle. ex: perimeter = 34pi 34pi/pi 34/2=diameter 16=radius