Bell Ringer. Find the value of x. 4.3 Isosceles and Equilateral Triangles. Isosceles Triangle. Base Angle Theorem. If two sides of a triangle are congruent, then the angles opposite them are congruent. If AB = AC, then <C = <B. Converse of the Base Angle Theorem.
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Find the value of x.
If two sides of a triangle are congruent, then the angles opposite them are congruent.
If AB = AC, then <C = <B
If two angles of a triangle are congruent, then the sides opposite them are congruent.
If a triangle is equilateral, then it is equiangular.
If a triangle is equiangular, then it is equilateral
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