Answer:
16
Explanation:
B/c the bigger triangle is a copy of the smaller we can say
8 / 12 = x / 8
then, solve for x
8(8/12) = x
(64 *3) 12 = x
192 /12 = x
16 = x
nice, the first answer looks good , then :P
3.4m questions
4.3m answers
/ 12 = x / 8(8/12) = x