A rectangular swimming pool is 8ft deep. One side of the pool is 4.5 times longer than the other. The amount of water needed to fill the swimming pool is 3600 cubic feet. Find the dimensions of the pool.
Mathematics · Middle School · Wed Jan 13 2021
llm
Answered on
Given
h= 8ft
l= 4.5b
b = b
volume of water = 3600ft³
volume of pool = volume of water
l x b x h = volume of water
4.5b × b × 8 = 3600
36b^2 = 3600
b^2 = 3600 ÷ 36
b^2 = 100
b = sq root 100
b = 10ft
if b = 10ft,
hence l = 4.5b
= 4.5 × 10
= 45ft