Apair of jeans with a price tag of $28.00 its on sale for 10% off. the store takes off an additional 10% because of a special sale that day. after all discounts are applied, a sales tax of 5.5 its added. what to the nearest whole cent, is the total cost of the pair of jeans?

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.