A farmer has two similar cylindrical grain silos used for storing grain during winter. The dimensions of the smaller silo are 3/4 the size of the dimensions of the larger silo. The larger silo has a height of 60 feet and a diameter of 20 feet. What is the combined capacity of the silos?

A. 7,948.125 cubic feet
B. 10,891.875 cubic feet
C. 18,840.000 cubic feet
D. 26,788.125 cubic feet

Respuesta :

C is the correct answer I just did the paper

The combined capacity of the silos would be 26,788.125 cubic feet.

What is the volume of a cylinder?

The volume of the cylinder is the product of the height, pie, and square of the radius.

The volume of the cylinder = [tex]\pi r^{2} h[/tex]

The dimensions of the smaller silo are 3/4 the size of the dimensions of the larger silo. The larger silo has a height of 60 feet and a diameter of 20 feet.

The volume of the larger cylinder = [tex]\pi r^{2} h[/tex]

                                                   [tex]\pi \times60 \times 10^{2} \\= 22/7 \times60 \times 100\\= 18857.14[/tex]cubic feet

We know that the dimensions of the smaller silo are 3/4 the size of the dimensions of the larger silo.

The height of a smaller silo would be 45 feet.

The diameter of a smaller silo would be 15 feet.

                                                   = 18857.14 × 3/4

The volume of the smaller silo  =   [tex]\pi r^{2} h[/tex]

                                                    = [tex]3.14\times 45 \times (7.5)^{2}[/tex]

                                                     =  7948.125 cubic feet

The combined capacity of the silos = 7948.125+18857.14

                                                           =  26,788.125 cubic feet

Thus, The combined capacity of the silos would be 26,788.125 cubic feet.

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