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The perimeter of a circle is known as the 'Circumference'.!!
The Algebraic Equation for circumference of a circle is ; -
C = 2 pi r or C = pi d
Were
C = circumference
pi = 3.14.... ~3.14 ( The circular constant)
r = radius (distance from edge to the centre point)
d = 2 r = diameter ( the distance in a straight line from one side to the other through the centre point).
E.g.
If we have a radius (r) of 20 units, then 'd' = 2(20) = 40
Hence
C = 3.14 X 40 = 125.6 units.
or
C = 2 x 3.14 x 20 = 125.6 units.
NB for area of a circle the equation is
A = pi r^(2)
In words, 'Area equals ;pi; multiplied to the radius squared. and the answer is in units squared. (units^(2)).
NNB 'pi' note the spelling, is an irrational number, so when given values of 3.14, 3.1416, 3.141592, 22/7 these are only approximations, but are useful for learning.
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What is the permiter of a 4 by 8 square?
There is no such thing as a permiter. Furthermore, a 4 by 8 shape cannot be a square.
Why circle is not a 3 dimentional figure?
A circle is not a 3D figure because it only has two dimensions. A sphere is a 3D "circle".
Is a sphere a perfect circle?
no, it is sphere is not a perfect circle. because sphere is 3dimensional figure and circle is 2 dimensional figure
What is the volumn of a circle?
A circle is a two dimensional plane figure and does not have a volume.
What is a simple closed figure?
a circle. A square, circle, rectangle, or triangle.
What is the permiter of a circle?
Circumference, or distance around the outside
What is the permiter of a square with 7.5 sides?
It depends on what a permiter is! The perimeter is 30 units of length.
What is the permiter of a 4 by 8 square?
There is no such thing as a permiter. Furthermore, a 4 by 8 shape cannot be a square.
What is the formula for permiter?
lxwxh
Is a circle a solid figure?
A circle is a plane figure. A 'circular' solid figure would be a sphere.
Why circle is not a 3 dimentional figure?
A circle is not a 3D figure because it only has two dimensions. A sphere is a 3D "circle".
Is a sphere a perfect circle?
no, it is sphere is not a perfect circle. because sphere is 3dimensional figure and circle is 2 dimensional figure
Is a circle closed figure or open figure?
closed figure
Which solid figure does not have a face that is a triangle?
A circle * * * * * On the right lines but a circle is not a solid figure. How about a sphere?
How do you find the permiter of a parallegroam?
you do bxh-2xl
A round figure whose surfaces is all points equidisant from the center?
It is a circle or a sphere
What is a good sentence for circle?
A circle is a two-dimensional figure.
