Answer the following. 1. In the figure on the right, RO and DN are tangent to U at O and N respectively. R a. What is the measure of ZRON? ZDNO? Explain how you arrived at your answer. b. Suppose ZONR LNDU. Which angle is congruent to NRO? Why? c. If mZONR=31, what is m/NRO? O U N DU02

Answer the following. 1. In the figure on the right, RO and DN are tangent to U at O and N respectively. R a. What is the measure of ZRON? ZDNO? Explain how you arrived at your answer. b. Suppose ZONR LNDU. Which angle is congruent to NRO? Why? c. If mZONR=31, what is m/NRO? O U N DU02

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter6: Circles

Section6.4: Some Constructions And Inequalities For The Circle

Problem 34E: A tangent ET is constructed to circle Q from external point E. Which angle and which side of...

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Answer the following.
1. In the figure on the right, RO and DN are tangent to OU at O and N
respectively.
R
a. What is the measure of ZRON? ZDNO?
Explain how you arrived at your answer.
b. Suppose ZONRZNDU. Which angle is
congruent to NRO? Why?
U
c. If m/ONR=31, what is m/NRO?
N
d. If mZDUN = 49, what is m<NDU? How about m/DUO?
D
e. Suppose OU = 6, RN = 13, and DN = ON, what is RO equal to? How
about DN? DU?
Is ANRO ADUN? Justify your answer.

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