In triangle XYZ, a line is drawn parallel to YZ intersecting XZ at A and XY at B. If XA=2cm, AZ=6cm, and XB=3cm, find BY.
Show answer & explanation
Correct answer: C
Explanation
XA = 2 cm, AZ = 6 cm, XB = 3 cm
According to the formula:
XA/AZ = XB/BY
2/6 = 3/BY
1/3 = 3/BY
BY = 9 cm