Asprinkler that sprays water in a circular area can spray up to a radius of 22 ft. what is the maximum area of lawn that can be watered by the sprinkler? use 3.14 to approximate for pie enter answer, as a decimal rounded to the nearest tenth

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.