1. Define top-down design and structure charts 2. What is a function prototype? 3. When is a function executed, and where should a function prototype and fune- tion definition appear in a source program? 4. What are three advantages of using functions? 5. Is the use of functions a more efficient use of the programmer's time or the 6. Write a program that prompts the user for the lengths in inches of two legs 7. Write a program that draws a rectangle made of a double border of asterisks. computer's time? Explain your answer. of a right triangle and makes use of the pow and sqrt functions and the Pythagorean theorem to compute the length of the hypotenuse. Use two functions: draw_sides and draw 1ine 8. Draw a structure chart for the program described in Review Question 7 9. Write the prototype for a function called script that has three input parameters. The first parameter will be the number of spaces to display at the beginning of a line. The second parameter will be the character to display after the spaces, and the third parameter will be the number of times to display the second parameter on the same line