Luas = 1/2 × d1 × d2
294 × 2 = 3x × 4x
588 = 12x²
x² = 588/12
x² = 49
x = √49
x = 7
Diagonal terpendek
= 3x
= 3(7)
= 21cm
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Luas = 1/2 × d1 × d2
294 × 2 = 3x × 4x
588 = 12x²
x² = 588/12
x² = 49
x = √49
x = 7
Diagonal terpendek
= 3x
= 3(7)
= 21cm