Question

In this fignia, AB = BC and Apl|BQ CR.
Prove that QB = 1/2 (PA+ RC)​

Answer 1

Step-by-step explanation:

PA||QB||RC

AB=BC

then AB=PQ=BC=QR

IF PQ=AB

THEN PA=QB

AND IF BC=QR

THEN QB=RC

PA=QB=RC

2QB=2PA=PA+PA

2QB=PA+RC

QB=1/2(PA+RC)