Question
Asked Jan 13, 2020
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Show that the area of triangle ABC is given by sqrt(s(s - a)(s - b)(s - c)) where s = (a + b + c)/2 is the semiperimeter of the triangle.

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Expert Answer

Step 1

Show that the area of triangle ABC.

Calculus homework question answer, step 1, image 1
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Step 2

General formula for area of triangle.

Calculus homework question answer, step 2, image 1
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Step 3

Using double angle for...

Calculus homework question answer, step 3, image 1
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