complementary
Yes. Angle AZB is formed by the intersection of line segment AZ and line segment ZB and the point Z. Angle XZY is a simliar situation.
4x4y4z
True
right angles and straight angles
4 90 degree angles
Yes. Angle AZB is formed by the intersection of line segment AZ and line segment ZB and the point Z. Angle XZY is a simliar situation.
459+495=954
True
4x4y4z
Obtuse angles.
right angles and straight angles
There are 3 acute angles and 2 obtuse angles in the letter A.
It can have angles which are acute, right, obtuse or reflex. Not straight angles, though.
It depends on what kind of triangle.
right (90˚) and 180˚ angles
Acute, straight, and reflex angles.
Acute, obtuse and opposite angles are equal