Matematika
luas = 1944 m²
L = ½ × (AB + CD) × 4x
1944 × 2 = (9x + 3x) × 4x
3888 = 12x × 4x
3888 = 48x²
x² = 3888 ÷ 48
x = √81
x = 9
K = 5x + 9x + 5x + 3x
= 5(9) + 9(9) + 5(9) + 3(9)
= 45 + 81 + 45 + 27
= 198 m
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Matematika
luas = 1944 m²
L = ½ × (AB + CD) × 4x
1944 × 2 = (9x + 3x) × 4x
3888 = 12x × 4x
3888 = 48x²
x² = 3888 ÷ 48
x = √81
x = 9
K = 5x + 9x + 5x + 3x
= 5(9) + 9(9) + 5(9) + 3(9)
= 45 + 81 + 45 + 27
= 198 m