In the diagram, O is the centre of the circle. OM||XZ and ∠ZOM = 25°....
MATHEMATICS
WAEC 2013
In the diagram, O is the centre of the circle. OM||XZ and ∠ZOM = 25°. Calculate ∠XYZ
- A. 50°
- B. 55°
- C. 60°
- D. 65°
Correct Answer: D. 65°
Explanation
Angle in a semi-circle is 90º when OM is subtended
: (90 - 25)º
= 65º
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