Want this programs using C++ or C 1) Write a function to compute the perimeter and area of a right triangle when given the length if the two sides (a and b). 2) The formula for converting centigrade temperatures to Fahrenheit is F = 32 + C 180.0/100.0 Write a program that asks the user to enter a temperature reading in centigrade and then prints the equivalent Fahrenheit value. It then asks the user to enter a Fahrenheit value and prints out the equivalent centigrade value. Run the program several times. Be sure to include at least one negative temperature reading in your test cases. Provide separate functions as needed by your designs. One possible design is shown in fingure4-40. (Your main function should have only functions calls.)