Where the angle has TWO equal side's.
The base angles are congruent in an isosceles trapezoid
Isosceles has two congruent angles.
The base angles of an isosceles trapezoid are congruent
The base angles of an isosceles triangle are congruent.
An isosceles triangle has two equal angles in the base.
An Isosceles triangle has 2 or 3 acute angles.
Two angles are equal in an isosceles triangle.
The base angles of an isosceles triangle are congruent. The vertex angle of an isosceles triangle is not necessarily congruent to the base angles.
There are two pairs of congruent base angles in an isosceles trapezoid.
An isosceles triangle has three interior angles whose base angles are equal.
In an isosceles triangle, two of the angles are the same.
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