Chapter 11.4, Problem 44E

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6th Edition

Daniel C. Alexander + 1 other

ISBN: 9781285195698

Textbook Problem

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Use Theorem
*s* is given by

To determine

**To Prove:**

The area of the equilateral triangle with sides of length s is

Explanation

Given,

In the theorem,

The area of a acute triangle equals one half the product of lengths of two sides and the sine of the includes angle.

Here, the equilateral triangle has the angle *s*.

Thus the area of the equilateral triangle

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