Answer:
Step-by-step explanation:
area is 84
perimeter is 38(p)
length (l) is 7cm
width is?(w)
p=2(l+w)
38=2(7+w)
38=14+2w
2w=38-14
2w=24
w=12
area=l*w
12*7
=84
A)3
if im wrong tell me and i will do it again
HOPE THIS HELPS:::)))
0.8181818
3/11×3 = 0.8181
