Computer scienceProgramming languagesKotlinTypes and data structuresBasic operations

Floating-point types

Area of a circle

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Write a program that reads a radius R and calculates the area of a circle with a given radius.

Use this formula: $S = \pi R^2$ .

Where $S$ – an area of a circle, $\pi$ is 3.1415, and $R$ – the radius of the circle.

Input: one number of type Int.

Output: one real number.

Do not format or round your result. Use the given value of

\pi

Sample Input 1:

Sample Output 1:

1963.4375

Write a program in Kotlin

fun main() {

// write your code here

}

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