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Do triangles have at least one right angle?
Triangles can be classified by their sides or their angles. When classifying them by their angles, triangles are called: acute triangles - all three angles are acute (less than 90º) right triangles - one right angle (90º) and two acute angles obtuse triangles - one obtuse angle (larger than 90º) and two acute 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
Do all triangles have 90 degree angles?
No, only right angle triangles, but all the angles in a triangle will add up to 180 degrees.
Triangle in which all of the angles are acute angles?
They are possible - unlike plane triangles in which all of the angles are right angles, obtuse or larger.
What do all right triangles have in common?
All right angle triangles have a 90 degree angle and two acute angles which all together the 3 angles add up to 180 degrees.
