pliss jwb sama caranya
Matematika
zeffiraarsy
Pertanyaan
pliss jwb sama caranya
1 Jawaban
-
1. Jawaban Anonyme
AC = √(AB² + BC²) = 20 cm
AB × BC = BF × AC
16 × 12 = BF × 20
BF = 9,6 cm
FC = AE = BC²/AC = 12²/20 = 7,2 cm
Maka
Panjang EF = AC - 2 AE = 20 - 14,4 = 5,6 cm
Opsi A