Here, We are going to write a **program to calculate area of Rectangle and Square in go golang**. Area of rectangle is multiplication of length and breadth i.e length * breadth whereas area of Square is square of length i.e length * length.

**Algorithm:**

- Get the length and breadth of rectangle
- Calculate the area of rectangle by multiplying length and breadth
- Calculate the area of square by squaring the length

**Example with code:**

```
package main
import "fmt"
func main(){
var length, breadth = 3, 4
var area int
area = length * breadth
fmt.Println("Area of Rectangle : ", area)
area = length * length
fmt.Print("Area of Square : ", area)
}
```

**Output:**

Area of Rectangle : 12

Area of Square : 9

**To learn more about golang, Please refer given below link.**

https://www.techieindoor.com/go-lang-tutorial/

**References:**

https://golang.org/doc/

https://golang.org/pkg/

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