Q: What is the word for the definition a triangle with all angles measuring less than 90 degrees?

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No because these are the angles of a scalene triangle

An obtuse triangle

there can be only one angle measuring more than 90 degrees.. as sum of angles in a triangle is 180 degrees. all the angles cannot exceed 90. A triangle in which one angle is greater than 90 degrees is an obtuse angled triangle

No. By definition, an acute triangle is a triangle where all three angles are <90 degrees. Therefore, an equilateral triangle, where all the angles are 60 degrees would qualify as an acute triangle.

A triangle can't measure 75 degrees. A measure in degrees applies to angles, not to polygons such as triangles. In a triangle on a flat surface, the sum of angles is 180Â°.

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No because these are the angles of a scalene triangle

A triangle with all angles measuring less than 90 degrees?That's an 'acute' triangle.

An obtuse triangle

there can be only one angle measuring more than 90 degrees.. as sum of angles in a triangle is 180 degrees. all the angles cannot exceed 90. A triangle in which one angle is greater than 90 degrees is an obtuse angled triangle

An acute triangle

An acute(-angled) triangle.

No. By definition, an acute triangle is a triangle where all three angles are <90 degrees. Therefore, an equilateral triangle, where all the angles are 60 degrees would qualify as an acute triangle.

All the angles are smaller than 90o, so triangle is acute triangle.

Scalene

A triangle can't measure 75 degrees. A measure in degrees applies to angles, not to polygons such as triangles. In a triangle on a flat surface, the sum of angles is 180Â°.

A triangle with all three angles measuring 60 degrees is called an equilateral triangle.

There is none because the 3 interior angles of any triangle must add up to 180 degrees.