A can complete a piece of work in 7 days and B can complete the same work in 12 days. A and B worked together for 3 days. C alone completed the remaining work in 9 days. How many days will C take to complete the same work entirely?
The sides AB and AC of a โณABC are produced up to points D and E. The bisectors of the exterior angles so formed, intersect each other at point I. If โ ACB is 66ยฐ and โ ABC = 44ยฐ, then what is the measure in degrees of โ BIC ?