I need help pleasee please

Standard deviation of 19,29,21,22,23

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.

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet