First, let's square all the given measures, so we have 25, 27, 4, and 49. For three measures to form the sides of a right triangle, two of these squares have to add up to the third.
By inspection, we see that the measures of
form a right triangle, since
![25+27=49.](https://img.qammunity.org/2021/formulas/mathematics/middle-school/uqkvuxxxf1edb8hvaun1zcxhtp0j7ozqv1.png)