pls help me with this, i have already asked this question but nobody would help pls someone help this time!

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?