CPM Homework Banner

Examine the diagram below. The smaller triangle is similar to the larger triangle. Write and solve a proportion to find . It may be helpful to draw the two triangles separately.  

A right triangle, has horizontal side, 8, and vertical side x. The horizontal side is extended, 10 units, creating, a horizontal base of a larger right triangle. The larger right triangle, has a vertical side of 8.

Draw two separate triangles. The larger triangle has base .

Two right triangles. Larger triangle has horizontal side, 18, and vertical side, 8.  Smaller triangle has horizontal side, 8, and vertical side, x.