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Aleks04 [339]
3 years ago
5

A size 5 soccer ball has a diameter of about 8.5 inches . To the nearest cubic inch , what is the volume of a size 5 soccer ball

​
Mathematics
2 answers:
alukav5142 [94]3 years ago
8 0

Answer:

322 cubic inches

Step-by-step explanation:

A soccer ball is in the shape of a "sphere".

A sphere has a volume formula of  \frac{4}{3}\pi r^3

<em>Since diameter is given, we need to figure out the radius (which is HALF of the diameter)</em>

hence, radius = half of 8.5 = 4.25 inches

We simply plug in 4.25 into r of the formula and figure out the volume:

\frac{4}{3}\pi r^3\\=\frac{4}{3}\pi (4.25)^3\\=321.56

<em>to nearest cubic inch, the volume is </em><em>322 cubic inches.</em>

ella [17]3 years ago
4 0

Answer:

321\ in^{3}

Step-by-step explanation:

we know that

The volume of the sphere (soccer ball) is equal to

V=\frac{4}{3}\pi r^{3}

In this problem we have

r=8.5/2=4.25\ in ---> the radius is half the diameter

assume

\pi=3.14

substitute the values

V=\frac{4}{3}(3.14)(4.25)^{3}=321\ in^{3}

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