Is 63/168 and 312/832 different from 66/90 and 143/195 and tell me why

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de