Question

Maka panjang AC adalah...

Answer 1

Panjang AC adalah 20 cm

Answer 2

AD^2 = DB x DC
144 = 9 x DC
DC = 16 cm

AB^2 = 12^2 +9^2
AB = akar 144 + 81
AB = akar 225
AB = 15 cm

AC^2 = CB^2-AB^2
AC^2 = 25^2 - 15^2
AC^2 = 625-225
AC^2 = 400
AC = 20 cm

Mohon maaf apabila ada kesalahan