no
Chat with our AI personalities
Yes, although a triangle (in normal geometry) can only have one right angle, no more. It is possible for a triangle to have all three right angles in spherical geometry (if you were to draw the triangle on a sphere).
intersecting, parallel, acute, right ,obtuse, straight, perpendicular, reflex
yes
All three interior angles of a spherical triangle may be right angles.
It is an angle that is 90 degrees.