Question

the triangle theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. the property allowing a figure to be divided into parts that are mirror images of each other is called.

Explanation:

The first blank is about a theorem related to triangle side lengths. The Triangle Inequality Theorem precisely states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

The second blank is about a property of figures. Symmetry is the property that allows a figure to be divided into parts that are mirror images of each other.

Answer:

1. Inequality
2. Symmetry