tilong jawab no1 untuk ujian besok tolong!!

jawab

ΔBED siku siku di  E
DE² = DB² - EB² = 26² - 24² = 100
DE = 10

BE / DE = AB/AC
24/10 = (12+24 ) / (AC)
24/10 = (36)/ (AC)

AC = 10(36)/(24)
AC = 15 cm