posted by john .
All three planes in the figure provided are parallel. They are cut by lines containing points A, B and C and X, Y and Z. Each of these points lies in a plane. If BC=8 cm, YZ=10 cm and XY=14 cm, find AB.
A.)10 1/2 cm
C.)11 1/5 cm
John, Kiki -- or whatever alias you're using -- please follow Reiny's instructions. If you don't tell us your choice of answers, you will be banned from posting here.