1. 28,25-16 1/2=28,25-16,5=11,75(sisa minyak)
2.rumus=1/2×(sisi1+sisi 2)×tinggi
1/2×(24+30)×14=1/2×54×14
27×14=378 cm2
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1. 28,25-16 1/2=28,25-16,5=11,75(sisa minyak)
2.rumus=1/2×(sisi1+sisi 2)×tinggi
1/2×(24+30)×14=1/2×54×14
27×14=378 cm2
semoga membantu :)