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annnoe5128abc
08.04.2020 •
Mathematics
A container for a hanging plant is a half sphere with a diameter of 9 inches. about how much soil does the container hold
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Ответ:
190.87 cubic inches
Step-by-step explanation:
A sphere is three-dimensional a ball-shaped object. It's volume is calculated using the formula:
V = 4/3πr^3
Where V= Volume of sphere
π (pie) = 22/7 (constant)
r = diameter ÷ 2 i.e. 9/2 = 4.5inches
Hence, to calculate the volume of the sphere, we slot in the values into the formula;
V = 4/3 × 22/7 × 4.5^3
V = 1.333× 3.142 × 4.5 × 4.5 × 4.5
V = 381.753
Thus, the volume of the sphere is 381.753 cubic inches.
However, according to the question, the container is a hemisphere i.e. half of a sphere. Therefore, to get the volume of soil in the container, we divide the volume of the sphere by 2;
381.753 ÷ 2
= 190.87
Hence, the volume of the soil in the hemispherical container is 190.87 cubic inches (in^3)
Ответ:
answer: around 420
step-by-step explanation: it is easy