The dilation of ΔABC by a scale factor of 2 with a center of dilation at (-4,-9). A (-4,-6), B (3,-6), and C (-2,-1). What is the coordinate of A'?

What value is equivalent to 5 + [5 × (4 + 2)]? a) 35 b) 45 c) 60 d) 110

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.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?