Find the balance of a savings account after 2and1/2 years if the simple interest earned each quarter is 0.35% and the principal is $450. what is the balance after 2 and 1/2 years is $ .

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.