Jawaban:
1. 72 cm²
2. 136,5 cm²
Penjelasan dengan langkah-langkah:
Luas= d1×d2/2
1.
Luas= 16 cm × 9 cm / 2
= 8 cm × 9 cm
= 72 cm²
2.
= 21 cm × 13 cm/2
= 273 cm²/2
= 136,5 cm²
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Jawaban:
1. 72 cm²
2. 136,5 cm²
Penjelasan dengan langkah-langkah:
Luas= d1×d2/2
1.
Luas= 16 cm × 9 cm / 2
= 8 cm × 9 cm
= 72 cm²
2.
= 21 cm × 13 cm/2
= 273 cm²/2
= 136,5 cm²