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Verified answer
Cr pnjng ac dl=akar 12+akar9=144+81=225=15pnjng ad=akar15+akar8=225+64=289=17(b)
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Mapel : Matematika
Tentang : Teorema Phytagoras
Pertanyaan yg diajukan : 1
Pembahasan :
Diketahui :
- AB : 12 cm
- BC : 9 cm
- CD : 8 cm
Ditanya :
- AD
Cara :
Carilah panjang AC terlebih dahulu :
AC² = AB² + BC²
AC² = 12² + 9²
AC² = 144 + 81
AC = √225
AC = 15 cm
Lalu, masuk ke cara mencari AD :
AD² = AC² + CD²
AD² = 15² + 8²
AD² = 225 + 64
AD = √289
AD = 17 cm
Jadi, panjang AD adalah 17 cm. Jawabanmu yg B
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