In the diagram below, IJK~ ILM. Find n.
(KJI lengths: 17 ft, n)
(LMI lengths: 30 ft, 34 ft)
Since the triangles IJK and ILM are similar, their corresponding sides are in proportion.
Thus, we have:
IJ/IL = JK/LM
n/30 = 17/34
n = 30 * 17 / 34
n = 15
Therefore, n = 15 ft.