Chapter 12.4, Problem 7MC

To determine

a.

To find:

The three pairs of similar triangles.

To determine

b.

The corresponding proportions for each set of similar triangles.

To determine

c.

To prove:

Using part (b), $a^2=xc$ and also $b^2=yc$.

To determine

d.

To show:

Using part (c), $a^2+b^2=c^2$.

To determine

e.

To show:

Using part (b), $h^2=xy$.

To determine

f.

To show:

$x,h$ and $y$ form a geometric sequence.