Answer:
2: option 4; 10: option 4; 9: option 4; 6: option 1
Explanation:
for 2, the angle of S is equal to Q
for 10, take 180, and subtract all the other numbers to find the last one
for 9, its 4 because the segments are a
A to B, A to C, and B to D
for 6, its 1 because TU is perpendicular (crosses) MN, and MN is perpendicular (will never cross) to PQ