# Calculate volume and surface area of a cone

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 :
slant_height = 13
height = 12
Output :
Volume Of Cone = 314.159
Surface Area Of Cone = 282.743

Input :
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```

Time complexity : O(1)
Auxiliary Space : O(1)

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