CPM Homework Help : GC Problem 10-53

Multiple Choice: In the circle at right, $\overline{CD}$ is a diameter. If $AE=10$ , $CE=4$ , and $AB=16$ , what is the radius of the circle?

$15$

$16$

$18$

$19$

None of these

A circle, where a diameter, C D, intersects Chord, A B, at point, e

Hint:

$ΔAED$ is similar to $ΔCEB$ .

$\frac{CE}{AE} = \frac{BE}{DE}$

Answer:

(e)