Luas trapesium
L = 1/2 × (a + b) × t
= 1/2 × (12 + 18) × 10
= 1/2 × 30 × 10
= 150 cm²
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Luas trapesium
L = 1/2 × (a + b) × t
= 1/2 × (12 + 18) × 10
= 1/2 × 30 × 10
= 150 cm²
Semoga membantu :)