From the cyclic quadrilateral TUVW above, find the value of x

  • A 26°
  • B 24°
  • C 20°
  • D 23°
jamb 2010mathematics

The correct answer is B. 24°

TUVW is a cyclic quad

3χ + 20 + 88 = 180 (opp ∠ s of a cyclic quad are supplementary)

3χ + 108 = 180

3χ = 180 - 108

3χ = 72

χ = 72/3

χ = 24°

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