x+ (x+2)+(x+5) ≤34
3x + 7 ≤34
3x≤34-7
3x≤27
x≤27/3
x≤9
keliling segitiga maksimum
= 9 + (9+2) + (9+5)
= 34 cm
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x+ (x+2)+(x+5) ≤34
3x + 7 ≤34
3x≤34-7
3x≤27
x≤27/3
x≤9
keliling segitiga maksimum
= 9 + (9+2) + (9+5)
= 34 cm