Which shows the image of quadrilateral ABCD after the transformation Ro, 90°?

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.

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Given the median qr and trapezoid mnpo what is the value of x?