KLMN is a square
NM = 8
Side LK = 8
Side KO = 8 * sqrt(2)/2 = 4 * sqrt(2)
Side OL = 8 * sqrt(2)/2 = 4 * sqrt(2)
Side KM = sqrt(KN² + NM²) = sqrt(8² + 8²) = sqrt(64 + 64) = sqrt(128) = sqrt(64*2) = 8 * sqrt(2)
Side NL = 8 * sqrt(2)
45°
90°
45°
90°
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