Question

In circle O, CD = 30, OM = 8, ON = 9, CD I OM, ERION (The figure is not drawn to scale.)

POS
D
a. Find the radius. If your answer is not an integer express it in radical form.
b. Find FN. If your answer is not an integer, express it in radical form,
C. Find EF. Express it in radical form


PLEASE HELP!!

Answer 1

Explanation:

MC = MD = 1/2CD and EN = FN = 1/2EF

OC = √OM² + MC²

= √64 + 225

= √289

= 17 (a)

FN = √OP² - ON²

= √289 - 64

= √225

= 15 (b)

EF = 2 x FN

= 2 x 15

= 30 (c)