The area of a trapezoid is 87m^2, the base is 13m long, and the height is 4m. find the length of the top of the trapezoid.

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.