Equilateral Triangles do not contain right angles, since all angles in this shape are equal and it is impossible to make a triangle that consists of three 90 degress angles.
Isosceles and Scalene may contain a right angle.
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False - and false ! Not ALL angles are right-angles - and a triangle has THREE sides !
Yes. A scalene triangle is, by definition, a triangle with all sides and angles different. An equilateral triangle has all sides and angles the same, an isosceles triangle has 2 sides and 2 angles equal, and a right triangle has a right angle, but it is also possible for an isosceles triangle to be a right triangle.
A triangle cannot have two right angles. Triangles angles should add up to 180. There are three angles. If there are 2 right angles, there would be no third angle, therefore, no triangle. XD
Rectangle has more right angles than the right triangle. The right triangle only has 1 right angle, while the rectangle has 4.
Two. Two acute angles in a right triangle.