Question 214783: A conical tank is 12 feet deep and the diameter of the top is 8 feet. If the tank is filled with water to a depth of 7 feet, what is the area of the surface of the water?
Answer by RAY100(1637)   (Show Source):
You can put this solution on YOUR website! A rough sketch might add to visual understanding
.
Cone pointed down. Height is 12 top dia is 8.,,,,,,, 7 feet from bottom area is ?
.
8/12 = x/7,,,,,where x is dia
.
cross multiply,,,12x = 56,,,,,,x=4.67 ft in dia
.
Area = pi*r^2 = pi* 4.67^2 = 68.42 sq ft
.
|
|
|
