Andy's job is to attach a ladder to a water tank. The water tank is a 20ft wide cylinder and has a volume of 9,420ft3. If the length of the ladder is equal to the height of the water tank, how long is the ladder
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Answer:
29.63ft
Step-by-step explanation:
Volume of cylinder=pie*R^2*h
radius=2 diameter
20/2=10ft
22/7*10^2*h=9420
22/7*100*h=9420
h=9420*7/2200
h=29.63 ft
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