Giúp mk câu đầu tiên cách làm chi tiết với

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?

Select all the expressions that will include a remainder.

In the diagram, gef and hef are congruent. what is the value of x