27 1/3 / 4^2 - 3•6-1 + 625^2

In the diagram of circle a what is m

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.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?