Answer:
Step-by-step explanation:
tan55=8.9/x
x=8.9/tan55
x=6.2cm
Answer: 8/35.
Step-by-step explanation: Since 1/5 and 2/7 is not equal, you would need to find a common denominator. The common denominator would be 35 = 7/35 + 10/35. After you add you will get your answer. I hope this helps. ;)