0.05 is ten times as much as

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

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.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16