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Marrrta [24]
2 years ago
10

The diameter of a sphere is 8 centimeters. What is the volume of the sphere? Use 3.14 for pi. Enter your answer, as a decimal, i

n the box. Round only your final answer to the nearest tenth. cm³
Mathematics
2 answers:
Angelina_Jolie [31]2 years ago
4 0
The volume of a sphere is given by the equation V= \frac{4}{3}  \pi r^3, where r is the radius.

We are given the diameter of the sphere, but recall that the diameter is twice the radius: d=2r. So the radius is half of the diameter: r= \frac{1}{2}d.

Half of 8 cm is 4 cm.

We substitute this for r in the equation and we use 3.14 for <span>π.</span>

V= \frac{4}{3}(3.14)(4)^3= \frac{(4^4)(3.14)}{3}=267.9 \ cm^3
Alisiya [41]2 years ago
3 0
The steps for this are below

recall volume of sphere formula is
\frac{4}{3} \pi \times r {}^{3}
we know the diameter so to get the radius we just divide the diameter by 2 to get the radius
r = 8 \div 2
r = 4
know we can plug it into the volume of a sphere formula and solve using 3.14 for pi
v = (4 \times 3.14 \times 4 {}^{3} )  \div 3
simplify the parentheses and get
v =  \frac{803.84}{3}
FINAL ANSWER (rounding to nearest tenth)
v = 267.9 \: cm {}^{3}


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