no
In geometry sets, there are two: one is an isosceles right angled triangle, and the other is a triangle with angles of 90-60-30 degrees.
A triangle with no sides the same is called a scalene triangle. In a scalene triangle, all three sides have different lengths, and consequently, all three angles are also different. This distinct property sets scalene triangles apart from isosceles and equilateral triangles, where at least two sides or all sides are equal, respectively.
No.
A rectangle or a square are sets of quadrilaterals with two pairs of right angles. They each have two pairs of right angles and two sets of equal sides.
Supplementary.
A shape with parallel sides but no right angles is called a parallelogram
A parallelogram
The rhombus.
parallelogram
parallelogram
In the instance of a triangle it is equilateral. Most quadrilaterals have equal sides as well (such as a rectangle with two sets of equal sides).
A quadrilateral with two sets of parallel side and right angles is called a rectangle. If all the sides are the same size it is also called a square.