Hitunglah panjang BC pada gambar berikut
CD = √8²-4² = √64-16 = √48 = 4√3 cm
BD x AD = CD
(4√3)² = 4 x BD
BD = 48/4 = 12 cm
BC = √12² – 8² = √144 -64 = √80
BC = 4√5 cm
Hitunglah panjang BC pada gambar berikut
CD = √8²-4² = √64-16 = √48 = 4√3 cm
BD x AD = CD
(4√3)² = 4 x BD
BD = 48/4 = 12 cm
BC = √12² – 8² = √144 -64 = √80
BC = 4√5 cm