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12 answers

C = 2 π r = 5 π = 15.7 units

2007-07-26 20:18:18 · answer #1 · answered by Como 7 · 0 0

we don't seem on the gap around a circle as a perimeter. that's merely intact for polygons. For a circle we use the term Circumference that's the gap around a circle. For this you're able to do 2 issues in those formulation C=PI cases Diameter remember that Diameter is around the circle or two times the radius. C = 2r x Pi or C = 2Pi x R wish this permits

2016-12-11 03:15:56 · answer #2 · answered by ? 4 · 0 0

The circumference of the circle is the perimeter.
Therefore,
Perimeter = 2pi * radius
= 2 * 3.14 * 2.5
= 15.71 unit.

2007-07-26 19:49:33 · answer #3 · answered by Sarang 3 · 0 0

Perimeter of a circle = 2pi*r.
Radius given as 2.5
Hence the perimeter of a circle = 2*22/7*2.5 =15.71

2007-07-26 19:40:50 · answer #4 · answered by bach 2 · 0 0

The perimiter of a circle is defined as:

perimeter = 2 * pi * radius

In your case, the radius is 2.5, so

perimter = 2 * pi * 2.5 = 5 * pi

2007-07-26 19:38:16 · answer #5 · answered by Joan S 2 · 0 0

Perimeter of a circle = circumference. pi * 2r

3.14 * 2.5 * 2

2007-07-26 19:33:42 · answer #6 · answered by Anonymous · 0 0

the formula for the perimeter of a circle also called the circumference =2*pi*radius
where pi is a constant pi=3.1416
for a circle with a radius of 2.5 units
circumference=2*3.1416*2.5=15.71 units

***indicate he unit of measurement

2007-07-26 19:38:05 · answer #7 · answered by Divine C 2 · 0 0

The perimeter (more commonly known as the circumference) is pi*d.

If the radius is 2.5, the diameter is 5.

The answer, therefore, is 5Pi (approximately 15.708).

2007-07-26 19:37:24 · answer #8 · answered by Anonymous · 0 0

The perimeter of a circle is its circumference, which is 2*π*radius.

2007-07-26 19:34:25 · answer #9 · answered by gp4rts 7 · 0 0

perimeter of a circle is its circumference,
circumference = 2 pi r
where, pi = 3.14
r = radius of the circle = 2.5
circumference = 2*3.14*2.5
= 15.70 units

2007-07-26 19:43:30 · answer #10 · answered by pihoo 2 · 0 0

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