30 I think because 6 12 18 24 30 and 10 20 30
Answer:
B. m
Step-by-step explanation:

Answer:
Step-by-step explanation:
I don't think this can be done without the diagram. You do not know what HD is opposite. I will take a guess that it is opposite TU which makes TU = 220 because both H and D are midpoints and that makes TU twice as large as HD.
If this is incorrect, post the diagram.