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# Can an obstuse triangle also be isosceles?

Updated: 10/24/2023

Wiki User

12y ago

yes because the two sides and two base angles can still be congruent even if the vertex is obtuse

Wiki User

12y ago

9mo ago

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.

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Q: Can an obstuse triangle also be isosceles?
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### What does a right triangle and an isosceles triangle have in common?

A right triangle and an isosceles triangle have the fact that they are both triangles in common. A right triangle can also be an isosceles triangle.

### What is an isosceles triangle on its side called?

it is also an isosceles triangle, it is the same on it's side

### What are 2 properties of an isosceles triangle?

-- 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.

### Can a right triangle be an isosceles triangle?

Yes, a right triangle an be an isosceles triangle. The triangle will will have a 90 degree angle and two 45 degree angles. This is the only way a right angle triangle can also be an isosceles triangle.

### What is a iscosilies triangLe?

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.

### Does an isosceles triangle have a right angle?

An isosceles triangle has two equal sides and two equal angles. A right triangle is any triangle with one angle that is a right angle. A right triangle could also be an isosceles triangle, but an isosceles triangle will not always have a right angle.

### Does an isosceles triangle have right angles?

An isosceles triangle has two equal sides and two equal angles. A right triangle is any triangle with one angle that is a right angle. A right triangle could also be an isosceles triangle, but an isosceles triangle will not always have a right angle.

### Can an equilaterial triangle also be an isoseles triangle?

An isosceles triangle has two congruent sides, and An equilateral triangle is a special isosceles triangle in which all three sides are congruent.Therefore, all equilateral triangles are isosceles

### Does an isosceles triangle have another name?

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

### Is isosceles triangle also an equilateral triangle?

An equilateral triangle has all sides measuring the same and an isosceles triangle has 2 sides congruent, so they are not the same. Every equilateral triangle is also an isosceles triangle, but not every isosceles triangle is an equilateral triangle. Isosceles = at least two equal sides Equilateral = three equal sides

Yes

### What is the differences between an isoceles triangle and an obtuse 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.