Plz helpp with this math problem

Answer:
16527 what is please help with this problem BK 1366 if you divide by 6613 then share your answer then I don't say for sure thing then I would say the answer is 1367 13228 se how are you divide them to understand order ok understand understand youth Red Cross PO SSC result time
Answer:
√66/13
Step-by-step explanation:
Here,
h=13
b=√66 ( C is reference angle)
cosC=b/h
√66/13