Pada trapesium KNML diketahui LK = (2x -9) dan zL = 5xº tentukan UN
Materi : Garis dan Sudut
∠K + ∠L = 180°
2x - 9° + 5x = 180°
7x = 180° + 9°
7x = 189°
x = 189°/7
x = 27°
{ ∠K = ∠N = ( 2x - 9° ) = 54° - 9° = 45° }
Semoga bisa membantu
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