I am mostly sure it's b. Good luck! :3
Answer:
62 m
Step-by-step explanation:
let the height of tower=x
then 
Answer:
b
Step-by-step explanation:
5(6) = 30
Refer the attached image for the answer
<em><u>HOPE</u></em><em><u> </u></em><em><u>SO</u></em><em><u> </u></em><em><u>IT</u></em><em><u> </u></em><em><u>HELPS</u></em><em><u> </u></em><em><u>YOU</u></em>