The isosceles triangle theorem states that if two sides of a triangle are congruent, then the angles opposite those sides are congruent. That is option D.
What is an isosceles triangle theorem?
An isosceles triangle theorem states that if two sides of a triangle are congruent, then the angles opposite to these sides are congruent.
This is because the two side of the triangle are identical leading to the angles opposite them being equal too.
Therefore, the isosceles triangle theorem states that if two sides of a triangle are congruent, then the angles opposite those sides are congruent.
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