A surveyor is surveying a street. The surveyor is standing at point P looking down the street at a No Parking sign at point A and a Stop sign at point R. Given PA = (3x - 4) meters, PR = 21 meters, AR = 7 meters, and point A is between P and R, what is x in meters? Answers
A.7
B.6
C.21
D.14

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.