only right tringles or HL triangles have at least 1 right angle
An isosceles right angle triangle fits the description
It is a triangle
No
The interior angle and the exterior angle are supplementary. That's why you learned about supplementary angles ... or at least they were presented in class ... before polygons.
The angle of minimum deviation for a prism is the angle at which the deviation of light passing through the prism is minimized, resulting in the least amount of dispersion. It is the angle at which the emerging light beam is least deviated from its original path after passing through the prism.
how do you draw a quadrangle that has at least 1 right angle.
The least angle at which the figure may be rotated to coincide with itself is the angle of symmetry.
right-angle triangle has at least one right angle .
triangle
No. Or at least, I think not.
The simple answer is no, not all parallelograms have at least one right angle. However, there are some that do. Rectangles and squares are 'special' parallelograms that all have at least one right angle.
only right tringles or HL triangles have at least 1 right angle
An isosceles right angle triangle fits the description
It is a triangle
the least amount is .2
the least amount would be 3