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Kotlin Program to Find the Perimeter of a Circle
In this article, we will understand how to find the perimeter of a circle. The perimeter of a circle is calculated using the formula.
(2*22*radius)/7
You can also write the above as −
2ℼr
The value of ℼ is 22/7 or 3.14.
Suppose our input is −
Radius of the circle : 5
The desired output would be −
Perimeter of Circle is: 31.428571428571427
Algorithm
Step 1 − START.
Step 2 − Declare 2 double values namely radius and myResult.
Step 3 − Define the values.
Step 4 − Calculate the perimeter using the formula using the formula (2*22*radius)/7 and store the result.
Step 5 − Display the result.
Step 6 − Stop.
Example 1
In this example, we will find the Perimeter of a Circle. First, declare and initialize a variable for the radius of the Circle −
val radius = 5
Now, in a new variable myResult, calculate the Perimeter using the above formulae −
val myResult = (2 * 22 * radius)/7
Let us now see the compete example to find the perimeter of the circle −
fun main() { val radius = 5 println("The radius of the circle is defined as $radius") val myResult = (2 * 22 * radius)/7 println("The perimeter of the circle is: $myResult") }
Output
The radius of the circle is defined as 5 The perimeter of the circle is: 31
Example 2
In this example, we will find the Perimeter of a Circle.
fun main() { val radius = 5 println("The radius of the circle is defined as $radius") circlePerimeter(radius) } fun circlePerimeter(radius: Int) { val myResult = (2 * 22 * radius)/7 println("The perimeter of the circle is: $myResult") }
Output
The radius of the circle is defined as 5 The perimeter of the circle is: 31
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