# Chapter 5 - Section 5.4 - The Pythagorean Theorem - Exercises: 14a

Right Triangle

#### Work Step by Step

Using the Pythagorean Theorem... $a^{2}+b^{2}=c^{2}$ $1.5^{2}+2^{2}=2.5^{2}$ Simplify... $2.25+4=6.25$ $6.25=6.25$ Since the sum of the sides squared $(6.25)$ is equal to the hypotenuse squared $(6.25)$, the triangle is a right triangle.

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