If B is the midpoint of line AC and AC=8x-20 find BC AB=3x-1

for b its (t) and c its (d)

step-by-step explanation:

answer: kljdcdhjbdlchjad oac apoich a

step-by-step explanation:

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°