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Verified answer
= -= -
= 2500 - 1600
= 900
KN = = 30 cm
Luas segiempat KLMN
= 2 x segitiga
= 2 x (1/2 x alas x tinggi)
= 40 x 30
= 1200
dalam sisi lain
luas segiempat KLMN juga bisa
1/2 x diagonal 1 x diagonal 2 = 1200
1/2 x 50 x KM = 1200
25 KM = 1200
KM =
= 48 cm (D)
semoga membantu:)