Chapter 10.CR, Problem 19CR

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7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

Show that the triangle whose vertices are

To determine

**To prove:**

The triangle formed by the vertices

Explanation

Isosceles triangle have two equal sides called legs and the third side is called base.

We have to prove that the distance between any two sides are equal.

The given vertices are

First find the distance between

Formula for distance between two points

Substituting the* x* and* y* co-ordinates

On solving this,

Squaring,

Now, find the distance between

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