To calculate: The area of an equilateral triangle such that length of its sides is 10.
Answer to Problem 56E
The area of triangle is
Explanation of Solution
Given information:
An equilateral triangle such that length of its sides is 10.
Formula used:
The area of a triangle is denoted by
Calculation:
Consider the equilateral triangle such that length of its sides is 10.
An equilateral triangle has all sides of equal length and each angle is
Therefore, for area of equilateral triangle two side length are 10 each and included angle is
Recall that the area of a triangle is denoted by
Apply it,
Thus, the area of triangle is
Chapter 6 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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