panjang AB = 17 cm BC = 10 cm BD = 8 cm Berapa panjang AC
Jawaban:
AC = AD + DC
AC = 15 + 6
AC = 21 CM
Penjelasan dengan langkah-langkah:
AC = AD + DC
• AD² = AB² - BD²
AD² = 17² - 8²
AD² = 289 - 64
AD² = 225
AD = √225
AD = 15CM
•DC² = BC² - BD²
DC² = 10² - 8²
DC² = 100 - 64
DC² = 36
DC = √36
DC = 6CM
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