Answer:
area=16.56 perimeter=18.6
Step-by-step explanation:
a=l×w
p=l+l+w+w
a=6.9×2.4=16.56
p=6.9×2+2.4×2=18.6
perimeter:
(add up all sides)
2.4 + 2.4 + 6.9 + 6.9
area:
(multiply length and width)