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2,,r or ,,d

2x pi x radius or Pi x Diameter

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Q: What is the formula for calculating a circles perimeter?
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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