If the object is irregular you have to measure each part as best you can and sum the lengths,
If the object is a regular planar polygon you calculate one segment of the polygon at the perimiter and multiply by the number of sides.
A circle's perimeter is it's circumference and is obtained by pi * d where pi is the constant 3.14159... and d is the circle's diameter.
you get a calculator and learn the correct formula
The perimeter is the length around an object, so for a shape with n sides, P=s1+s2+...+sn
Perimeter is used when you want to find the length of the sides of an object. A practicle use for perimeter would be knowing how much fencing you need to enclose a certain amount of space, but the length of the fencing would be the perimeter.
The formula for the perimeter of a rhombus is fairly simple. The perimeter of an object is the sum of its sides. Since you specify a rhombus with four sides of 22, the sum of those sides would be 88.
the perimeter means the length around an object. so your perimeter around the object you have must be 8.
The area is the inside of the shape. so the certain amount of space in the object Perimeter is the distance on the out side of a object i.e. if a square has sides 3 inches long. the area would be 9inches (3*3) the Perimeter would be 12 (3+3+3+3)
Well, first of all, it has to be a circle or a sphere, otherwise it's perimeter, not circumference. But if your object is a circle or a sphere, the formula is C=pi x diameter. So the circumference of your object is 5pi
Generally, a perimeter and area are properties of two dimensional objects while [surface] area and volume are properties of 3-d objects. The formula depends on the object and, in some cases, may require very complicated analytical methods. It makes little sense to try and answer a quastion without knowing what sort of object the information is about.
in geometry, perimeter is the length around the outside of an object.
The perimeter is a characteristic of a 2-dimensional object. A 12 by 13 by 5 sounds like a 3-dimensional object which would not have a perimeter.
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The concept of a perimeter does not make sense for a solid object.