7.30 (Calculating Circle Circumference, Circle Area or Sphere Volume Using Function Pointers) Using the techniques you learned in Fig. 7.28, create a text-based, menu-driven program that allows the user to choose whether to calculate the circumference of a circle, the area of a circle or the vol- ume of a sphere. The program should then input a radius from the user, perform the appropriate calculation and display the result. Use an array of function pointers in which each pointer represents a function that returns void and receives a double parameter. The corresponding functions should each display messages indicating which calculation was performed, the value of the radius and the result of the calculation.

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Array of Function Pointer Exercises
7.30 (Calculating Circle Circumference, Circle Area or Sphere Volume Using Function Pointers)
Using the techniques you learned in Fig. 7.28, create a text-based, menu-driven program that allows
the user to choose whether to calculate the circumference of a circle, the area of a circle or the vol-
ume of a sphere. The program should then input a radius from the user, perform the appropriate
calculation and display the result. Use an array of function pointers in which each pointer represents
a function that returns void and receives a double parameter. The corresponding functions should
cach display messages indicating which calculation was performed, the value of the radius and the
result of the calculation.
Transcribed Image Text:Array of Function Pointer Exercises 7.30 (Calculating Circle Circumference, Circle Area or Sphere Volume Using Function Pointers) Using the techniques you learned in Fig. 7.28, create a text-based, menu-driven program that allows the user to choose whether to calculate the circumference of a circle, the area of a circle or the vol- ume of a sphere. The program should then input a radius from the user, perform the appropriate calculation and display the result. Use an array of function pointers in which each pointer represents a function that returns void and receives a double parameter. The corresponding functions should cach display messages indicating which calculation was performed, the value of the radius and the result of the calculation.
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