No
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Right angle is 90degrees acute angle is less than 90 degrees
yes. to be and acute angle, all angles must be acute. Obtuse angles only one angle has to be obtuse. Right angles only need one too. Acute has to have every angle to be acute, if one angle is obtuse or right, it's automatically no an acute Angle anymore.
A right-triangle has a right angle (90o) and two acute angles.
No. An acute angle is an angle smaller than 90 degrees. A right angle is an angle that is exactly 90 degrees
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.