Question

ASAP- please help!!!!!!

Answer 1

Are you at school still? Or do you take online school notes

Answer 2

3m,9 m

Explanation:

area of trapezoid=[( sum of length of parallel sides)/2\×distance between parallel sides

12=(3x+x)/2×2=4x=12

x=12/4=3

Back length=3 m

front length=3×3=9 m