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Yes, the base angles of an isosceles triangle are always congruent. An isosceles triangle commonly has two sides that are equal in length. The base angles are the angles opposite those two equal sides of the triangle. A geometric theorem states that if two sides of a triangle are congruent, then the angles opposite those sides are congruent. The converse is also true.
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An angle not congruent to the base angles of 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.
In an isosceles triangle the base angles are?
The base angles of an isosceles triangle are congruent.
If the base angles of a triangle are congruent then the triangle is isosceles?
It will be either isosceles or equilateral. It is equilateral if all of the angles are congruent.
What is the same about an isosceles triangle and an isosceles trapezoid?
In an isosceles triangle and an isosceles trapezoid, both base angles are congruent
What is the name of the angle that is not congruent to the base angles of an isosceles triangle?
The angle that is not congruent to the base angles of an isosceles triangle is called the "vertex angle." In an isosceles triangle, the vertex angle is formed by the two equal sides, while the base angles are the angles opposite the equal sides.
Which statement about the base angles of an isosceles triangle is true?
The base angles are always congruent.
What angle is congruent in an isosceles triangle?
The two "base" angles.
Which two angles of isosceles triangle is congruent?
The two base angles are equal
If a triangle has two congruent angles is it isosceles?
Yes, because of the base angles theorem converse: If two angles in a triangle are congruent, then the sides opposite the angles are congruent.
How many congruent angles does a right isosceles triangle have?
It has 2 equal base angles
The base angles of an isosceles triangle are called?
The base angles of an isosceles triangle are called the base angles. In an isosceles triangle, two sides are of equal length, and the angles opposite these sides are also equal. This means that the base angles are congruent. The third angle, which is the vertex angle, is located opposite the base.
If two angles of a triangle are congruent then the sides opposite those angles are congruent by the converse to the Isosceles Triangle Theorem?
Yes, because an isosceles triangle has two equal base angles and two equal sides.
