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In a triangle, if all of the angles are 60 degrees, then all three sides of the triangle are equal to each other. Basically, if the angles are equal than the sides must be equal. This kind of triangle is called an equilateral triangle.

Q: What must be true of the side lengths in order to build a triangle with three angles measuring 60 degrees what kind of triangle is this?

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No because these are the angles of a scalene triangle

A protractor is used for measuring angles and the 3 angles in a triangle add up to 180 degrees.

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

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.

A protractor is used for measuring angles and the 3 angles in a triangle add up to 180 degrees.

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.

Scalene

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

Acute scalene triangle: A triangle with three sides of different lengths and all three angles less than 90 degrees. Acute isosceles triangle: A triangle with at least two sides of equal length and all three angles less than 90 degrees. Acute equilateral triangle: A triangle with three equal sides and all three angles measuring less than 60 degrees.

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