Herons formula gives a method of finding the area of a triangle if the lengths of its
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Heron’s formula gives a method of finding the area of a triangle if the lengths of its sides are known. Suppose that a, b, and c are the lengths of the sides. Let s denote one-half of the perimeter of the triangle (called the semiperimeter)—that is,
Then the area of the triangle is given by
Use Heron’s formula to solve each problem.
Find the area of a triangle with sides of lengths a = 11 m, b = 60 m, and c = 61 m.
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Related Book For
Intermediate Algebra
ISBN: 9780134895987
13th Edition
Authors: Margaret Lial, John Hornsby, Terry McGinnis
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