With a line parallel to a side through a triangle we get similar triangles so a proportion.
AC : BC = AQ : PQ
AC = BC AQ / PQ
AC = 12.6 (7.2) / 8.4
AC = 10.8 cm
10.8 cm
the answer to this question is 3/19
step-by-step explanation:
the answer is "add 2y and y"
you need to collect the like terms first.