B. 42 cm²
Penjelasan dengan langkah-langkah:
_________________
Jawaban:
L = 1/2 × d1 × d2
L = 1/2 × 12 × 7
L = 6 × 7
L = 42 cm² (b)
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B. 42 cm²
Penjelasan dengan langkah-langkah:
_________________
Jawaban:
L = 1/2 × d1 × d2
L = 1/2 × 12 × 7
L = 6 × 7
L = 42 cm² (b)