Chapter 5.CR, Problem 37CR

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7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

Find the length of an altitude of an equilateral triangle if each side is 10 in. long.

To determine

**To find:**

Length of the altitude of an equilateral triangle.

Explanation

**Given:**

The each side of the equilateral triangle is 10 in.

**Calculation:**

Let

Let us take,

Then,

Consider the right triangle

By Pythagoras theorem,

In a right triangle

By Pythagoras theorem,

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