Find the missing side or angle. Round to the nearest tenth.
C=53°
B= 80°
a=2
b=[?]

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

Find x to the nearest hundredth place

This is about circle theorems. someone asap : (