Question

Tolong dibantu mencari panjang BD. Tks

Answer 1

Kayaknya jawabannya -a

Answer 2

AB^2 = BC^2 + AC^2
= 16 + 9 = 25
AB = 5

AC^2 = AD×AB
9 = AD × 5
9= 5AD
AD = 9/5 = 1,8

BD = AB - AD
= 5 - 1,8 = 3,2

jawabannya C