Part A:
3.14 X (4)^2 X 3/3
= 50.26548246
Answer:

Step-by-step explanation:
we know that
To find out the area of the sidewalk, multiply the length by the width of the sidewalk
The width of the sidewalk is equal to

or

The area is equal to

Answer:
12241.025
Step-by-step explanation:
Twelve thousand, two hundred and forty one point zero, two, five
L x W =H
7 x 5 = 35 cm^2
Answer: Choice C
Hope that helps. -UF aka Nadia