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What is the perimeter of 21 mi of a circle?
The perimeter of a cirlcle is its circumference which is: 2*pi*radius or diameter*pi
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 to the diameter if the circumference is doubled?
The diameter of a circle is doubled if the circumference is doubled.
When the radius of a circle is tripled what happens to the area?
It is increased nine fold. New Area = 9*old area.
If the circumference of a circle is doubled what happens to the diameter?
If you double the circumference. the diameter like wise would double.
What happens to the circumference of a circle if its diameter is tripled in size?
9 times bigger
What happens to the circumference when the diameter of a circle is doubled or triple?
The circumference is doubled or tripled, respectively.
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
How do you work out the circumference of a cirlcle?
Given the diameter of the circle, multiply it by π (approx 3.14159).
What is the perimeter of 21 mi of a circle?
The perimeter of a cirlcle is its circumference which is: 2*pi*radius or diameter*pi
What happens to the area of a circle if the radius is tripled?
The circle becomes an oval
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.
Is diameter the measurement across a circle or the measurement around a cirlcle?
"Diameter" is the distance all the way across the circle, through the center."Radius" is 1/2 of the diameter ... the distance from the center to the curvy part of the circle."Circumference" is the distance all the way aroundthe circle.
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 diamenter of a circle if you triple the radius?
It will be twice the size of the tripled radius
How does the circumference of a circle change when its diameter is tripled?
C1 = pi x D, C2 = pi x 3 x D, so the circumference is also tripled.
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.
