tolong. pakai cara ya
Matematika
Noval2342
Pertanyaan
tolong. pakai cara ya
1 Jawaban
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1. Jawaban Akbarrinaldi
bc²= √bd²-cd²=√15²-12²=√225-144 =√81 = 9
ab²=√ac²-bc²=√21²-9²=√441 - 81 =√360