yes because the two sides and two base angles can still be congruent even if the vertex is obtuse
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No, an obtuse triangle cannot be isosceles. An isosceles triangle has two sides that are equal in length, but in an obtuse triangle, the angles are all greater than 90 degrees. Therefore, the sides cannot be equal in length.
it is also an isosceles triangle, it is the same on it's side
-- An isosceles triangle has two equal sides. -- An isosceles triangle has two equal angles. -- An isosceles triangle has two equal interior-angle bisectors. -- The bisector of the vertex angle of an isosceles triangle is also the perpendicular bisector of the triangle's base.
First off, its isosceles. An isosceles triangle is a triangle with two sides that have the same length. A triangle with 3 sides the same length is called equilateral, but it is also a form of an isosceles. Note also that an isosceles will have two or more angles the same.
An isosceles triangle is a triangle with at least two equal sides. While there are no other names, an equilateral triangle has 3 equal sides so it is also an isosceles triangle
-- An isosceles triangle can also be an obtuse triangle but it doesn't have to be. -- An obtuse triangle can also be an isosceles triangle but it doesn't have to be. So there's no consistent diferences betwen them.