Assertion: triangle | /r/HasProperty | right
Facets:
value: simultaneously
type: MANNER
Source sentences:
text: A triangle can be simultaneously right and isosceles, in which case it is known as an isosceles right triangle.
text: A triangle that has all angles less than 90° (90° is a Right Angle)
text: Since a triangle is obtuse or right if and only if one of its angles is obtuse or right, respectively, an isosceles triangle is obtuse, right or acute if and only if its apex angle is respectively obtuse, right or acute.
text: A triangle where one vertex is an ideal point, one angle is right: the third angle is the angle of parallelism for the length of the side between the right and the third angle.
text: The triangle where two vertices are ideal points and the remaining angle is right, one of the first hyperbolic triangles (1818) described by Ferdinand Karl Schweikart.
text: A triangle with one right angle is right.