Jawabbb tentang pythagorass..

a² + b² = c²
16² + 12² = c²
256 + 144 = c²
400 = c²
20 = c

Lsegitiga = 1/2 . a . t
= 1/2. 12.16
= 96

L segitiga = 1/2. a . t
96 = 1/2. 20 .t
96 = 10t
t = 9,6 cm (C)