Write three functions (1) rectangle Area (2) circleArea, and (3) triangle Area to compute and return...

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Write three functions (1) rectangle Area (2) circleArea, and (3) triangle Area to compute and return the area of a rectangle, circle, and triangle, respectively. Use these functions in a program in which program will compute and print the area of (a) rectangle if user will enter 'R' or 'r'; (b) circle if user will enter 'C' or 'c'; (c) triangle if user will enter 'T' or 't'; The program will discontinue (stop) if user will enter 'E' or 'e'. Write three functions (1) rectangle Area (2) circleArea, and (3) triangle Area to compute and return the area of a rectangle, circle, and triangle, respectively. Use these functions in a program in which program will compute and print the area of (a) rectangle if user will enter 'R' or 'r'; (b) circle if user will enter 'C' or 'c'; (c) triangle if user will enter 'T' or 't'; The program will discontinue (stop) if user will enter 'E' or 'e'.

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Here is an example Java program that implements three functions to compute the area of a rectangle c... View the full answer