Q: Can an acute triangle have only one acute angle?

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No it has three acute angles

Yes. A triangle can have only one obtuse angle. The other two angles will always be acute.

Yes. In this case a triangle is called an acute triangle.

A right triangle has one angle a right angle (90o) An obtuse triangle has one angle an obtuse angle (> 90o) An acute triangle has all angles acute (< 90o)

One acute angle

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yes, it only needs one acute angle out of the three to make it an acute triangle.

If you mean 1 acute interior angle, then it's a logical and geometric impossibility.A triangle can't have only one acute interior angle.

No it has three acute angles

no

Yes. A triangle can have only one obtuse angle. The other two angles will always be acute.

Yes. In this case a triangle is called an acute triangle.

If you are classifying triangles by their angles, an obtuse triangle has one obtuse angle and two acute angles. A triangle can have at most one obtuse angle. If the two acute angles are congruent, the triangle would also be isosceles.

A right triangle has one angle a right angle (90o) An obtuse triangle has one angle an obtuse angle (> 90o) An acute triangle has all angles acute (< 90o)

Yes

If all of the angles in a triangle are acute then it is an acute triangle. If one angle is right (or 90 degrees) then it is a right triangle. If one angle is obtuse then it is an obtuse triangle.

No, an acute triangle must have all 3 angles under 90 degrees. A triangle can have an acute angle and still be a right triangle or an obtuse triangle.

a right triangle has one right angle and two acute angles