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10-95.

Examine the diagram at right. and are similar. If and , write an equation and solve for x. Then calculate the length of .

Triangle F, I, J, with a line segment G, H inside which looks parallel to side I, J. Side F, G and side G, I are both marked with one tick mark. Side F, H and side H, J, are both marked with two tick marks.

Since is the midpoint of segment and is the midpoint of segment , segment is twice as long as .