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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!!

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 class=

Respuesta :

Answer:

Step-by-step 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)

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