Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 1 - Problem Solving and Critical Thinking - 1.3 Problem Solving - Exercise Set 1.3 - Page 41: 65

Answer

We have devised a way, in which all the three sides of the triangle will have the same sum of and no digits will be repeated.
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Work Step by Step

First, fill the numbers in the bottom row, as the sum of each side should be ,the combination of numbers in the bottom row should be .Now, the numbers on the left side of the triangle should be and on the right hand side of the triangle should be In that way, all the three sides of the triangle will have the same sum of and no digits will be repeated.
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