HELP!! What is the area of this trapezoid?​

Determine whether triangle tjd is congruent to triangle sek  givent (-4,-2), j (0,5), d (1,-1), s (-1,3), e (3,10), k (4,4)and explain the reason.  select one: a. yes, by sssb. no, by aasc. no, by asad. yes, by sas

Just tell me how to set up the equation.

Find the area of the regular hexagon if a side is 20 cm.