yes. that is part of the definition of an isoceles triangle
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Every isosceles triangle. An equilateral triangle is a special case of an isoceles triangle
All you can say about the angles inside every isosceles triangle is: -- Two of them are equal, and they must be acute (less than 90°). -- The third angle must be less than 180° . -- Just as in any other triangle, all three angles add up to 180° .
The three angles inside EVERY triangle ALWAYS add up to 180 degrees.In an isosceles right triangle, the angles are 45°, 45°, and 90°.
No, isosceles and equilateral are two separate types of triangles. Isosceles triangles have only two congruent sides, while all three sides of an equilateral triangle are congruent.
A scalene triangle is different from all other triangles because every side is a different length and every angle is different as well. This is different from isosceles triangles, which always have two sides and two angles that are the same. It is also different from equilateral triangles, which have all equal sides and all equal angles.