Question

Fill in the Blanks with the Words Below Provided

Definition:

An ____ triangle is a triangle with two congruent sides.

Isosceles Triangle Theorem

A. In a triangle, if two ____ are congruent, the angles opposite them are also congruent.

B. In a triangle, if two ____ are congruent, the sides opposite them are also congruent.

Answer Key : isosceles , sides , angles, congruent , scalene

Answer 1

Isosceles, sides, angles

Explanation:

Isosceles triangles have two sides the same size.

The theorems help us to know, A. If two sides are the same then the opposite angles are the same.

And B if two angles are the same the opposite sides are the same.

Not used: congruent (means same shape and size) nor scalene(describes a triangle with three different side lengths)