Which statements are precise definitions of geometric terms? Select the two correct definitions.
a Parallel lines are lines that do not intersect.
An angle is a shape formed by intersecting lines.
O Perpendicular lines are coplanar lines that intersect to form a right angle.
d A line is a set of many points in a straight arrangement that has length but no thickness.
A segment consists of two points and all the points between them that lie on the line containing the two points.