SOLUTION: Your family just built a rectangle pool, with a length of 30 feet and width of 14 feet. Your parents added on a 4 feet walkway all around the rectangle pool a.) what are the dimen

Question 961768: Your family just built a rectangle pool, with a length of 30 feet and width of 14 feet. Your parents added on a 4 feet walkway all around the rectangle pool
a.) what are the dimensions of the pool including the walkway?
b.) What is the diagonal measurement of the pool with the walkway?
c.) If your parents decorated the entire edge of the pools walkway with stone, at a cost of $7 per linear foot, what is the total cost to decorate all sides of the pool with stone?
( I already know the answers for letters a and b, i just need to know how to do letter c, Thanks :)
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
a) length = 38 feet and width = 22 feet
b) 38^2 + 22^2 = d^2
sqrt(38^2 + 22^2) = d
d = 43.9089968
c) Perimeter = (2*38) + (2*22) = 120 feet
cost = 7 * 120 = $840
therefore,
cost to decorate all sides of the pool with stone is $840

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