NABTEB Mathematics 2022 Objective — Question 31

Question 31 of 50 from the National Business and Technical Examinations Board (NABTEB) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

Using the information in Q30, find angle SNR.

A. 36 degrees
B. 42 degrees
C. 54 degreesCorrect
D. 72 degrees

Explanation

angle ONM = 90 degrees (angle between radius and tangent). ONM+ONS+SNR=180 (angles on a straight line): 90+36+SNR=180, so SNR=54 degrees.

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