stephenandvicki
15.06.2021 •
Mathematics
Find the volume of the composite figure. Round to the nearest hundredth. NO LINKS PLEASE.
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Ответ:
b. 113.04 ft³
Step-by-step explanation:
To find the volume of this composite figure, we must find the volumes of the shapes it is composed of. After finding the volumes, add the volumes.
This figure is composed of a circular cone and a cylinder.
To find the volume of a cylinder, multiply the radius by itself twice, then multiply the product pi, lastly multiply the product by its height.
To find the volume of a circular cone, multiply the radius by itself twice, then multiply the product by the height, then multiply the product by pi, lastly multiply the product by 1/3.
Now that we know the formulas, we can find the volume of this figure.
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The height of the cylinder is 3 feet. The radius is 3 feet as well.
Remember: 3.14 will be used for pi (π).
The volume of the cylinder is 84.78 feet.
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Further more, we find the volume of the circular cone.
The height of the cone is 3 feet. The radius is 3 feet as well.
Lastly, we add the volumes of both shapes.
113.04 does not need to be rounded to the nearest hundredth.
----------------------------------------------------------------------
Therefore, the volume of this composite figure is 113.04 ft.
Ответ:
answer:
step-by-step explanation:
7 (3x + 2) = 7*3x + 7*2 = 21x + 14