tolong jawab ............pakai cara
Matematika
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Pertanyaan
tolong jawab ............pakai cara
1 Jawaban
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1. Jawaban Nacaly
10. AO = √15²-12² = √225-144 = √81 = 9 cm
d1 = 2 x 9 = 18
d2 = 2 x 12 = 24
Luas ABCD = 1/2 x d1 x d2 = 1/2 x 18 x 24 =216 cm²