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How many different triangles can be constructed with side lengths of 5 inches, 7 inches, and 15 inches?

A. exactly one triangle
B. more than one triangle
C. no triangles

User SiddP
by
7.7k points

2 Answers

5 votes

Answer:

No triangle...

Explanation:

The Triangle Inequality Theorem, states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side

so

In this problem

------> is not true

therefore

No triangles can be constructed with the given side lengths

User Rudolf Dvoracek
by
6.8k points
5 votes
The answer would be C. No triangles
User Brad Dougherty
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7.3k points