Geometry For Enjoyment And Challenge
Geometry For Enjoyment And Challenge
91st Edition
ISBN: 9780866099653
Author: Richard Rhoad, George Milauskas, Robert Whipple
Publisher: McDougal Littell
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Chapter 6, Problem 13CR
Solution

To Prove: The congruency of B with respect to C

Given information: AB¯AC¯ and BD¯DC¯ is provided in the question which will help to find the solution.

  Geometry For Enjoyment And Challenge, Chapter 6, Problem 13CR

Proof: Here, we have been joined AD

In ΔADB and ΔADC ,

AB = AC (given)

And, BD = DC (given)

And, AD = AD (common)

Hence, ΔADBΔADC (by side, side, side congruency rule)

So that, BC (by corresponding parts of congruent triangles)

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Geometry For Enjoyment And Challenge

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