Volume of a Cone – The volume of a cone is V = Bh = r2h, where B is the area of the base, h is the height and r is the radius of the base.

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Presentation transcript:

Volume of a Cone – The volume of a cone is V = Bh = r2h, where B is the area of the base, h is the height and r is the radius of the base.

Finding the volume of a cone Find the volume of each cone.

Ex. 2: Finding the volume of a cone Find the volume of each cone.

Ex. 3: Using the Volume of a Cone

Using the volume of a cone Automobiles. If oil is being poured into the funnel at a rate of 147 milliliters per second and flows out of the funnel at a rate of 42 milliliters per second, estimate the time it will take for the funnel to overflow. (1 mL = 1 cm3).

Using the volume of a cone First, find the approximate volume of the funnel.

Using the volume of a cone The rate of accumulation of oil in the funnel is 147 – 42 = 105 mL/s. To find the time it will take for the oil to fill the funnel, divide the volume of the funnel by the rate of accumulation of oil in the funnel as follows: