In the 30-60-90 triangle below, side shas a length of length of
and side rhas a
30-
12
90°
60°
S

If 20% of a number is 35, what is 50% of that number?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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.