So a right triangle is a triangle that contains a ninety degree angle, it's not classified by side length. A scalene triangle is a triangle in which all three sides are different lengths. An isosceles triangle has two sides that are the same length. Either a scalene or an isosceles triangle could contain a right angle, so your answer is yes.
Answer is NO. A right triangle cant be both scalene and isosceles because A <span>scalene triangle </span>has three sides of different lengths,n<span>o congruent sides</span><span>An isosceles triangle has two congruent sides.</span>