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2,,r or ,,d

2x pi x radius or Pi x Diameter

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13y ago

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Why circles are important?

Well, in math you solve the perimeter of circles and such, and learn understanding of them to help you with circles in real life.


What is the formula for a triangle in math?

There are different formulae for calculating the lengths of the sides or altitudes, medians, etc; the measure of angles, the perimeter and area. Furthermore, these depend on the information available.There are different formulae for calculating the lengths of the sides or altitudes, medians, etc; the measure of angles, the perimeter and area. Furthermore, these depend on the information available.There are different formulae for calculating the lengths of the sides or altitudes, medians, etc; the measure of angles, the perimeter and area. Furthermore, these depend on the information available.There are different formulae for calculating the lengths of the sides or altitudes, medians, etc; the measure of angles, the perimeter and area. Furthermore, these depend on the information available.


How do you calculate the area and perimeter or semi circles?

Area: 1/2πr2 Perimeter: 1/2πd+d


What is the permeter?

The perimeter is the total distance around the edge of a two-dimensional shape. It is calculated by adding together the lengths of all the sides of the figure. For example, the perimeter of a rectangle is found by adding the lengths of all four sides, or using the formula ( P = 2(l + w) ), where ( l ) is the length and ( w ) is the width. Each shape has its own formula for calculating the perimeter, depending on its specific dimensions.


What is Perimeter formula for rectangle?

2(length + height)= perimeter

Related Questions

What is the formula for calculating perimeter of dodecagon?

Assuming the shape is a regular dodecagon, the formula for calculating the perimeter for a dodecagon of side length n is equal to 12n.


What is the formula for calculating the area of a regular pentagon?

The formula is 1/2 (apothem) (perimeter)


What is the formula for calculating the perimeter of a regular polygon?

L2 + H2 = P


Formula of a rectangle?

There is no formula for a rectangle. There are formula for calculating its area, perimeter or length of diagonals from its sides, or it is possible to calculate the length of one pair of sides given the other sides and the area or perimeter, or the two lots of sides given area and perimeter and so on.


What is the boundary of a circle?

The boundary or perimeter of a circle is called the circumference. The formula for calculating the length of the circumference is C = 2πr.


What is the perimeter formula?

The question is very vague so there are many possible answers. In its simplest sense, perimeter is equal to all the sides of a shape added together. For circles it is 2*pi*radius.


What is the perimeter of a circle with a diameter of 8 inches?

The perimeter of a circle is called its circumference. The formula for calculating the circumference is: C = πd (pi x diameter).In this case, this would be 8 in. x 3.14... or about 25.13 inches.


Why circles are important?

Well, in math you solve the perimeter of circles and such, and learn understanding of them to help you with circles in real life.


What is formula for calculating the perimeter of a square?

Just like any other rectangle, you can usePerimeter = 2 x (length + width)Or, since length and width are the same for a square, Perimeter = 4 x (length of one side).


What is the formula for a triangle in math?

There are different formulae for calculating the lengths of the sides or altitudes, medians, etc; the measure of angles, the perimeter and area. Furthermore, these depend on the information available.There are different formulae for calculating the lengths of the sides or altitudes, medians, etc; the measure of angles, the perimeter and area. Furthermore, these depend on the information available.There are different formulae for calculating the lengths of the sides or altitudes, medians, etc; the measure of angles, the perimeter and area. Furthermore, these depend on the information available.There are different formulae for calculating the lengths of the sides or altitudes, medians, etc; the measure of angles, the perimeter and area. Furthermore, these depend on the information available.


What is the formula for calculating the surface area of a prism, specifically focusing on the angle of prism?

The formula for calculating the surface area of a prism is SA 2B Ph, where B is the area of the base, P is the perimeter of the base, and h is the height of the prism. The angle of the prism does not directly affect the surface area calculation.


What is the formula for a perimeter of a rectangular prism?

The formula for the perimeter of a rectangular prism is 2(length + width) + 2(length + height) + 2(width + height). This formula calculates the total distance around the three-dimensional shape by adding the distances of all the edges. The perimeter is important for determining the amount of material needed to enclose the rectangular prism or for calculating the distance around it.