One acute angle
yes, it only needs one acute angle out of the three to make it an acute triangle.
An acute triangle.
Yes. In this case a triangle is called an acute triangle.
None. If there was a right angle then it would not be called an acute triangle.
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none
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.
Yes
None. An acute triangle is one in which all angles are acute. An obtuse triangle is one in which one of the angles is obtuse. A right angled triangle is one in which one angle is a right angle (90o)
Yes . Triangle have right acute and obtuse angle except compelete angle.
no an acute triangle does not have a right angle. if it had a right angle, it would be called a right triangle. to be an acute triangle, the triangle needs two angles that are smaller than 90 degrees.