180 degrees, same as all triangles
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Equilateral triangles have 3 equal sides whereas isosceles triangles have only 2 equal sides
no. Equilateral triangles have all equal sides. Isoceles triangles only have 2 congruent sides. Isosceles triangles have 2 equal sides.
Isosceles triangles have at least 2 equal angles. The 3rd angle can either be equal to the other two (it's then called an equilateral triangle), or it can be different from the two equal angles, in which case it's an isosceles triangle. All equilateral triangles are isosceles triangles, but not all isosceles triangles are equilateral triangles.
Only an equilateral triangles have 3 equal sides whereas an isosceles triangle has only 2 equal sides.
No because a triangle is only an isosceles triangle when it has 2 equal sides