There are several ways, the prototype of an actual program can be represented; one of them, is by making use of flowcharts
Flowcharts show the steps taken to execute a task, graphically.
(a) Area of a circle
The flow of the flowchart, goes as thus:
(b) Area of a rectangle
The flow of the flowchart, goes as thus:
(c) Area of a circle
The flow of the flowchart, goes as thus:
See attachment for the required flowcharts
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