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April 17, 2014

April 17, 2014

Posted by **Lindsay** on Thursday, November 29, 2012 at 7:33pm.

1. calculate the total surface area (m squared) of the pool.

2. The cost of painting the pool at $5 per square foot.

3. the amount of water(litres) required to fill the pool.

- math -
**Reiny**, Thursday, November 29, 2012 at 8:32pmSA is the rectangular base + 2ends + 2trapezpoids

for the length of the slanted base we need to use Pythagoras

H^2 = 32^2 + 3^2

h = √1033

area of base = 12√1033

area of each trapezoid

= 32(1+4)/2 = 80

short end = 12

deep end = 48

Total surface area = 12√1033 + 2(80) + 12 + 48

= 605.684 m^2

b) I will assume you meant $5 per square metre

cost = 5(above surface area)

c) I will consider one of the traps as the base

Volume = 80(12) = 960 m^3

= 960 000 litres

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