C++ for Engineers and Scientists
C++ for Engineers and Scientists
4th Edition
ISBN: 9781133187844
Author: Bronson, Gary J.
Publisher: Course Technology Ptr
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Chapter 6, Problem 7PP

(Numerical) Heron’s formula for the area, A, of a triangle with sides of length a, b, and c is

A = s ( s a ) ( s b ) ( s c )

where

s = ( a + b + c ) 2

Write, test, and execute a function that accepts the values of a, b, and c as parameters from a calling function, and then calculates the values of s   a n d   [ s ( s     a ) ( s     b ) ( s     c ) ] . If this quantity is positive, the function calculates A. If the quantity is negative, a, b, and c do not form a triangle, and the function should set A   =   1. The value of A should be returned by the function.

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