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Mathematics WAEC 2022

Find ∠OSN

  • 36º checkmark
  • 42º
  • 54º
  • 72º

The correct answer is: A

Explanation

The sum of angles in a triangle = 180º

(180 - 108)º = 72º

Isosceles triangle has both two equal sides and two equal angles.

 ∠OSN = \(\frac{72}{2}\)

= 36º

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