Chapter 10.1, Problem 29E

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7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

If two vertices of an equilateral triangle are at

To determine

**To answer:**

What is the third vertex, if two vertices of an equilateral triangle are at

Explanation

Given vertices are,

Given figure is,

Let the given triangle is ABC.

Length of AB

Coordinates of

Coordinates of

Let the coordinates of

Since, the given triangle is an equilateral, the length of three sides are equal.

Distance Formula:

The distance between the two points

Coordinates of

Length of

Length of

Length of

Coordinates of C can be determined from the length of

Length of

Length of

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