A local little league has a total of 70 players , of whom 20% are left-handed . How many left-handed players are there ?

All per-unit concepts rely on ratios, meaning, to provide a type of measurement

Which expression gives the area of the triangle shown 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.