Question

Find the volume of the cone shown as a decimal rounded to the nearest tenth

answer chocies

8,821.6 m^3
2,205.4 m^3
3,308.1 m^3
980.2 m^3

Answer 1

choice B) 2,205.4 m^3

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Work Shown:

d = 18 is the diameter of the circular base

r = d/2 = 18/2 = 9 is the radius

h = 26 is the height

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V = volume of cone

V = (1/3)*pi*r^2*h

V = (1/3)*pi*9^2*26

V = 2205.398 use your calculator here, this is approximate

V = 2205.4 round to one decimal place