Given: JK ⊥ MK and LK ⊥ JM; ML = 7 inches and KL = 9 inches. Find LJ.

Step 1: Label the parts of the figure by dragging the measures on the right to the appropriate segments.

Interactive exercise. Assistance may be required.

Step 2: Set up a proportion using the geometric mean from the figure.

hypotenuse segment 1 altitude = altitude hypotenuse segment 2

Drag the appropriate measures from the figure into the blank proportion shown below.

Interactive exercise. Assistance may be required.

Step 3: Solve the proportion.

Interactive popup. Assistance may be required.

Check Your Answer

LJ is equal to 81 7 inches, or approximately 11.6 inches. Close Pop Up