Jawaban:
b. 120cm²
Penjelasan dengan langkah-langkah:
FG = 5cm
DE = 15cm
tinggi trapesium = lebar persegi panjang
=> 12cm
Luas
= 1/2 × (DE + FG) × t
= 1/2 × (15cm + 5cm) × 12cm
= 1/2 × 20cm × 12cm
= 120cm² (b).
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Jawaban:
b. 120cm²
Penjelasan dengan langkah-langkah:
FG = 5cm
DE = 15cm
tinggi trapesium = lebar persegi panjang
=> 12cm
Luas
= 1/2 × (DE + FG) × t
= 1/2 × (15cm + 5cm) × 12cm
= 1/2 × 20cm × 12cm
= 120cm² (b).