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No, only right angle triangles, but all the angles in a triangle will add up to 180 degrees.

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Q: Do all triangles have 90 degree angles?
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Related questions

How are acute and right triangles the same?

Acute triangles have angles less than 90 degrees. Right triangles have 90 degree angles.


Do all right triangles have acute angles?

All right angle triangles have a 90 degree angle and two acute angles that add up to 90 degrees


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Yes as well as a 90 degree angle


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How do you compare and contrast an equilateral triangle and a square?

Differences: Squares have 4 sides / equilateral triangles have 3 sides. Squares have 90 degree angles / equilateral triangles have 60 degree angles. Squares have 2 diagonals / equilateral triangles have none Similarities: All sides of the shape are congruent All angles of the shape are congruent


Which triangles have a right angle d a or c?

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