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cricket20 [7]
3 years ago
6

Use the figure below to answer the questions.

Mathematics
2 answers:
fredd [130]3 years ago
8 0

Answer:

d. Sphere

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

f. Volume = 3052 cm³.

Step-by-step explanation:

d. The given 3D shape is a "Sphere".

e. The formula for volume of the sphere is V= \frac{4}{3} \pi r^{3}

In which "r" is the radius of the given sphere.

f. In the given sphere radius given is 9 cm

Therefore the volume of this sphere = \frac{4}{3}\pi r^{3}.

Or volume = \frac{4}{3}\pi 9^{3}=(\frac{4}{3})(\frac{22}{7})(9^{3})

                 = (\frac{4}{3})(3.14)(729) = 3052 cm^{3}


Elenna [48]3 years ago
7 0

Answer:

2.d. What is the name of the 3D shape?

Sphere

2.e. What is the formula for volume for this shape?

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

2.f. What is the volume of the figure?

The volume of the figure is 972π cm³

Step-by-step explanation:

2.f. What is the volume of the figure?

According with the figure, we have the radius r=9 cm. Replacing this value in the formula of the volume:

V=\frac{4}{3}\pi (9 cm)^{3}\\ V=\frac{4}{3}\pi (729 cm^{3})\\ V=4\pi (243cm^{3})\\ V=972\pi cm^{3}

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