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WAEC - Mathematics (2024 - No. 31)

In the diagram above, JKL is a tangent to the circle GHIK at K.

93º
55º
42º
23º

Penjelasan

\(\angle\)KGL = 87º (exterior angle of a cyclic quadrilateral)

\(\angle\)KGL + \(\angle\)GLK + \(\angle\)LKG = 180º

87º + x + 38º = 180º

x = 180 - 87 - 38 = 55º

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