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From the cyclic quadrilateral MNOP above, find the value of x.

Mathematics
JAMB 2019

From the cyclic quadrilateral MNOP above, find the value of x.

  • A. 16°
  • B. 25°
  • C. 42°
  • D. 39°
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Correct Answer: Option D
Explanation

The sum of two opposite angles of a cyclic quadrilateral = 180°

\(\therefore\) (2x + 18)° + 84° = 180°

2x + 102° = 180° \(\implies\) 2x = 78°

x = 39°

There is an explanation video available below.

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Explanation Video

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