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Can be acute triangle be a right triangle?
A right-angled triangle must have acute angles at the other two vertices because those two angles have to be less than 90 degrees.
What kind of angles does a triangle have in it acute or obtuse?
Every triangle must have at least two acute angles. The third one can be acute, right (90 degrees), or obtuse.
If two angles of a triangle are acute must the the third angle always be acute?
No. In fact, if one of the angles is not acute (a right angle or obtuse), the other two must be acute.
What is the greatest number of right angles that a right triangle can have?
Just the one and the other two angles must then be acute angles
Difference between right isosceles acute scalene?
A right angled triangle has one angle that is 90 degrees. The other two must be acute and may (but need not) be equal to one another. An acute triangle has all its angles less than 90 degrees. They may be all the same, two of them the same or all different. An isosceles triangle has two angles the same (and hence acute). The third angle can be acute, right or obtuse. A scalene triangle has three unequal angles. Two of them must be acute but the third may be acute, right or obtuse.
