if the farmer has 276 feet of fencing, what are the dimensions of the region which enclose the maximal area?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

10x − 5y + 14 = 0 whats the answer pls