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Calculate volume and surface area of a cone
• Difficulty Level : Easy
• Last Updated : 17 Mar, 2021

Given slant height, height and radius of a cone, we have to calculate the volume and surface area of the cone.

• Cone :
Cone is a three dimensional geometric shape. It consists of a base having the shape of a circle and a curved side (the lateral surface) ending up in a tip called the apex or vertex. • Volume of a cone :
The volume of a cone is given by the formula –

`volume = 1/3(pi * r * r * h)`
• where r is the radius of the circular base, and h is the height (the perpendicular distance from the base to the vertex).

• Surface area of a cone :
The surface area of a cone is given by the formula –

`area = pi * r * s + pi * r^2  `
• Where r is the radius of the circular base, and s is the slant height of the cone.

Examples :

```Input :
radius = 5
slant_height = 13
height = 12
Output :
Volume Of Cone = 314.159
Surface Area Of Cone = 282.743

Input :
radius = 6
slant_height = 10
height = 8
Output :
Volume Of Cone = 301.593
Surface Area Of Cone = 301.593```

## C++

 `// CPP program to calculate Volume``// and Surface area of Cone``#include``using` `namespace` `std;` `float` `pi = 3.14159;` `// Function to calculate``// Volume of cone``float` `volume(``float` `r, ``float` `h)``{``    ``return` `(``float``(1) / ``float``(3)) * pi *``                             ``r * r * h;``}` `// Function to calculate``// Surface area of cone``float` `surface_area(``float` `r, ``float` `s)``{``    ``return` `pi * r * s + pi * r * r;``}` `// Driver Code``int` `main()``{``    ``float` `radius = 5;``    ``float` `slant_height = 13;``    ``float` `height = 12;``    ``float` `vol, sur_area;` `    ``// Printing value of volume``    ``// and surface area``    ``cout << ``"Volume Of Cone : "``        ``<< volume(radius, height) << endl;``    ``cout << ``"Surface Area Of Cone : "``        ``<< surface_area(radius, slant_height);``    ``return` `0;``}`

## Java

 `// Java program to calculate``// Volume and Surface area of cone``class` `GFG``{``    ``static` `float` `pi = ``3``.14159f;` `    ``// Function to calculate``    ``// Volume of cone``    ``public` `static` `float` `volume(``float` `r,``                               ``float` `h)``    ``{``        ``return` `(``float``)``1` `/ ``3` `* pi * h *``                               ``r * r;``    ``}` `    ``// Function to calculate``    ``// Surface area of cone``    ``public` `static` `float` `surface_area(``float` `r,``                                     ``float` `s)``    ``{``        ``return` `pi * r * s + pi * r * r;``    ``}` `    ``// Driver Code``    ``public` `static` `void` `main(String args[])``    ``{``        ``float` `radius = ``5``;``        ``float` `slant_height = ``13``;``        ``float` `height = ``12``;``        ``float` `vol, sur_area;` `        ``// Printing value of volume``        ``// and surface area``        ``System.out.print(``"Volume Of Cone : "``);``        ``System.out.println(volume(radius, height));` `        ``System.out.print(``"Surface Area Of Cone : "``);``        ``System.out.println(surface_area(radius,``                                        ``slant_height));``        ` `    ``}``}` `// This code is contributed by "akanshgupta"`

## Python

 `''' Python3 program to calculate Volume and``    ``Surface area of Cone'''` `# Importing Math library for value Of PI``import` `math``pi ``=` `math.pi` `# Function to calculate Volume of Cone``def` `volume(r, h):``    ``return` `(``1` `/` `3``) ``*` `pi ``*` `r ``*` `r ``*` `h` `# Function To Calculate Surface Area of Cone``def` `surfacearea(r, s):``    ``return` `pi ``*` `r ``*` `s ``+` `pi ``*` `r ``*` `r` `# Driver Code``radius ``=` `float``(``5``)``height ``=` `float``(``12``)``slat_height ``=` `float``(``13``)``print``( ``"Volume Of Cone : "``, volume(radius, height) )``print``( ``"Surface Area Of Cone : "``, surfacearea(radius, slat_height) )`

## C#

 `// C# program to calculate``// Volume and Surface area of cone``using` `System;` `class` `GFG``{``    ``static` `float` `pi = 3.14159f;` `    ``// Function to calculate``    ``// Volume of cone``    ``public` `static` `float` `volume(``float` `r,``                               ``float` `h)``    ``{``        ``return` `(``float``)1 / 3 * pi * h *``                               ``r * r;``    ``}` `    ``// Function to calculate``    ``// Surface area of cone``    ``public` `static` `float` `surface_area(``float` `r,``                                     ``float` `s)``    ``{``        ``return` `pi * r * s + pi * r * r;``    ``}` `    ``// Driver Code``    ``public` `static` `void` `Main()``    ``{``        ``float` `radius = 5;``        ``float` `slant_height = 13;``        ``float` `height = 12;``        ``//float vol, sur_area;` `        ``// Printing value of volume``        ``// and surface area``        ``Console.Write(``"Volume Of Cone : "``);``        ``Console.WriteLine(volume(radius,``                                 ``height));` `        ``Console.Write(``"Surface Area Of Cone : "``);``        ``Console.WriteLine(surface_area(radius,``                                       ``slant_height));``        ` `    ``}``}` `// This code is contributed by "vt_m"`

## PHP

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## Javascript

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Output :

```Volume Of Cone : 314.159
Surface Area Of Cone : 282.743```

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