5. write a program to calculate the area of circle. The equation for determining the area of acircle is area 3.1416 radius radius, Assume that the circle has a 5 inches 6. Write a program to calculate the volume of a pool. The equation for determining the volume is: volume- length width depth. Assume that the pool has a length of 25 feet,a width of 10 feet, and a depth of 6 feet. e 7. Write a program to convert temperature in degrees Fahrenheit to degrees Celsius. The equation for this conversion is Celsius- 5.0/9.0 (Fahrenheit -32.00. Have your program convert and displays the Celsius temperature corresponding to 98.6 degrees Fahrenheit