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sin 30° = KN/50
1/2 x 50 = KN
25 =KN
Panjang KL
cos 30° =KL/50
1/2 √3 x 50 = KL
25√3 = KL
Luas KLMN = p x l = KL x KN
Luas KLMN = 25 √3 x 25 = 1082,3
Smoga bnar dn mmbantu ^^
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