Question

Tlg bantuin ya kak master ,.mksh ,,bingung nggk bisa ngerjainnya

Answer 1

CD^2 = AD x BD
CD^2 = 4 x 9
CD^2 = 36
CD = 6

AC^2 = AB x AD
        = 13 x 4
AC = 2 

BC^2 = AB x BD
        = 13 x 9
BC = 3