According to —-/self interest and competition act as blank guarding firms in a market-based economy.

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

True or false? a circle could be circumscribed about the quadrilateral below.

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.