7.1 Develop a C# program which will initialize array dynamically, take input values for array, and display the values of array on the console.

2.2 Develop aC# program to print your city name.

1 Write a C#program that reads from the console the radius "r" of a circle and prints its perimeter and area.

3.2Write a C#program to calculate (a+b)².

4 write a C# code to get output "Press key to continue...."