emilytolbert81 emilytolbert81

04-12-2016
Mathematics

contestada

The rain barrel shown is a right circular cylinder. If 1ft^3=7.5 gallons, how many gallons of rainwater can the barrel hold if the height is 5ft and the top of the barrel is 1.68ft?

Respuesta :

MissPhiladelphia MissPhiladelphia

12-12-2016

this can be solved using the fomula of the volume of a right circular cylinder

V = pi*r^2*h

Where pi = 3.1416

R is the radius

H is the height

V = 3.1416(1.68^2) (5)

V = 44.3342 ft^3 (7.5 gallon / 1 ft^3)

V = 332.5062 gallons

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