CPM Homework Help : INT1 Problem 7-37

Examine the diagram at right. The smaller triangle is similar to the larger triangle. Write a proportion and solve for $x$ . It will be helpful to draw the two triangles separately on your paper.

Hint:

Draw two separate triangles. The larger triangle has base $10 + 8 = 18$ .

More Help:

$\frac{x}{8} = \frac{8}{18}$

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.