Answer:
2tk^3
Step-by-step explanation:
First we have to get x by itself, so we multiply two on each side,
then we get 5x=660/4, I like to simplify here, so I would change it to 5x=165, then we divide each side by 5
x=33
:)
Answer:
36
Step-by-step explanation:
equilateral triangle has all sides So,
perimeter = a+b+c= 12+12+12=36