amandaaarmentaa
18.09.2019 •
Mathematics
Aswimming pool is 18 meters long 14 meters wide and 5 meters deep. before it can be filled with water, it needs to be coated with water resistant paint.
- how many square meters of paint are needed to cover the pool?
- if water resistant paint needed for the pool cost $7.50 per square meter, how much would it cost to paint the pool
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Ответ:
SA=2H(L+W)+LW
L=18
W=14
H=5
SA=2(5)(18+14)+(18)(14)
SA=10(32)+252
SA=320+252
SA=572 squaer meters
7.5 times of that
$4290
Ответ:
You must be dumb and have no friends
I feel bad for you