An acute triangle *is* a triangle with all acute angles. For example, an equilateral triangle where all three angles are 60°.
If a triangle has one 90° angle, then it is a right triangle.
If it has one angle greater than 90°, then it is an obtuse triangle.
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A triangle with 3 acute angles is an acute triangle. All the angles in an acute triangle are acute.
In an acute triangle, all three angles are acute.
A triangle with all angles measuring less than 90 degrees?That's an 'acute' triangle.
there are three acute angles in an acute triangle, because there are three corners.
An acute triangle has three interior acute angles An obtuse triangle has one obtuse and two acute interior angles