AB = 8cm AD = 6 cm BC = 10 cm
Dicari BD = ?
Keterangan : X + Y = 180, Maka
Total sudut Segitiga: 180
1. Segitiga ABC ~ Segitiga ABD
Sudut BAC = sudut BAD
sudut ABC = sudut ADB
sudut BCA = sudut ABD
AB = 8cm AD = 6 cm BC = 10 cm
AB/AD= BC/BD = 8/6= 10/BD = BD= 60/8 BD= 7,5
By : http://cleantzone.blogspot.com