Answer:
16._____are two angles whose sides form two pairs of opposite rays.
A. Adjacent angles
B. Linear pairs
C. Vertical angles
D. Perpendicular
17. It is a pair of adjacent angles whose non-common sides are opposite rays.
A. Adjacent angles
B. Linear pairs
C. Vertical angles
D. Perpendicular
16.A Linear Pair is two adjacent angles whose non-common sides form opposite rays
17.Vertical Angles are two angles whose sides form two pairs of opposite rays straight lines.
