Classification of Triangle XYZ

Medium Geometry Triangles

In triangle XYZ, the lengths of the sides are as follows:

Side XY is 9 cm, Side YZ is 12 cm, and Side XZ is 15 cm.

Which of the following statements about triangle XYZ is true?

The triangle is an equilateral triangle.

The triangle is a right triangle.

The triangle is obtuse.

The triangle is isosceles.

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