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Find the area and circumference of a circle

We'll simply do some rearranging of the expression, keeping in mind that the radius ( r) is equal to half the diameter ( D )-in other words, D = 2 r. Since D = 2 r, then. Let's substitute this value for r

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Area & Circumference of Circles

r is the radius of the circle. When we make radius the subject we get; Once you have the radius you use the formula below to find area of the circle. Example: Calculate the area of a circle whose circumference is 154 cm. Therefore, the

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Circumference of a Circle (Perimeter of Circle)

area = π ( 15.8404) {\displaystyle {\text {area}}=\pi (15.8404)} area = 49.764 {\displaystyle {\text {area}}=49.764} So, the

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Area of a circle (video)

Calculating the Area 1. Learn the formula for area of a circle. Because the radius of a circle is equal to half its diameter, these 2. Understand the different parts of the formula. There are three
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Circle Calculator

Calculate the Area and Circumference of a circle with variables: Step 1.Calculate the circle's radius or diameter. Some issues will offer you a variable radius or diameter, such as r = (y+ 2)

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How to Find the Circumference and Area of a Circle: 14 Steps

Circumference and area of a circle The circumference is the perimeter of a circle. It is a length and so is measured in \ (mm\), \ (cm\), \ (m\) or \ (km\). An area is measured in square

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How to Find the Circumference and Area of a Circle

Find the area of circle. Solution : Area = πr 2 = 3.14 x (8) 2 = 3.14 x (64) Area = 201.1429 in² Area and circumference of circle calculator uses radius length of a circle, and calculates the perimeter and area of the circle. It is an online

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