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Q: Are all scalene triangles also acute triangles?

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equilateral triangle, acute triangle, some isosceles and scalene triangles

Scalene triangles are polygons like all triangles. The lengths of the sides of scalene triangle are all different.

No, they are not always obtuse, because a scalene triangle can also sometimes be an obtuse triangle (meaning that one interior angle is obtuse), making one exterior angle acute. Scalene triangles also can be a right triangles (meaning that one interior angle is a right angle), which would make an exterior angle a right angle. Then also they can be acute triangles, in this case all 3 exterior angles are obtuse.

Right Angled triangle Isoceles triangle Equalateral Acute scalene triangle Obtuse scalene triangle equalatrial isosilies scaline

All equilateral triangles are acute triangles, since all the angles are less than 90 degrees.

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No, a scalene triangle is simply a triangle where all angles are not equal and all side lengths are not equal, therefore they can or cannot be obtuse.

No, scalene triangles can be obtuse, right or acute triangles. A 3 - 4 -5 right triangle (lengths of the sides) is one example of a right-scalene triangle. In fact, with the exception of the [45°, 45°, 90°] right triangle (which is isosceles) all other right triangles are scalene.

equilateral triangle, acute triangle, some isosceles and scalene triangles

Trisngle names are : - Equilateral Isosceles, Right - angled Scalene.

Scalene triangles are polygons like all triangles. The lengths of the sides of scalene triangle are all different.

No, they are not always obtuse, because a scalene triangle can also sometimes be an obtuse triangle (meaning that one interior angle is obtuse), making one exterior angle acute. Scalene triangles also can be a right triangles (meaning that one interior angle is a right angle), which would make an exterior angle a right angle. Then also they can be acute triangles, in this case all 3 exterior angles are obtuse.

Scalene triangles those triangles in which all the sides are of different lengths, but in isosceles triangles two sides of the triangle are equal in length. Therefore, no scalene triangle can ever be isosceles.

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