A cross has 4 angles
Degrees measure angles. A cross is not an angle, although it could be viewed as four angles, adding up to 360o.
yes 9
Depends on the cross-sectional polygon.
14 if the triangular cross section has a right triangle, 12 otherwise.
Angles around a point add up to 360 degrees
Degrees measure angles. A cross is not an angle, although it could be viewed as four angles, adding up to 360o.
12
Four of them.
Angles that cross are called perpendicular angles.
yes 9
Depends on the cross-sectional polygon.
The diagonals of a rectangle do not cross at right angles
The diagonals of a square and a rhombus cross at right angles.
Depends on the cross-sectional polygon.
yes, they do. though they are not always equal in length they always cross at right angles.
Verticle angles are angles opposite each other when two lines cross
no, it crosses many angles 11 year Rex