dinohappyfriend
dinohappyfriend dinohappyfriend
  • 25-02-2020
  • Mathematics
contestada

Q: What is the volume of this sphere?
Radius : 9
A:
A) 1024pi m3
B) 972pi m3
C) 729pi m3
D) 81pi m3

Respuesta :

absor201
absor201 absor201
  • 02-03-2020

Answer:

Option B is correct i.e v= 972[tex]\pi[/tex] [tex]m^{3}[/tex]

Step-by-step explanation:

If radius of sphere = 9

for volume of sphere

The formula used will be

[tex]v= \frac{4}{3} \pi r^{3}[/tex]

as r = 9

[tex]v = \frac{4}{3} \pi (9)^{3}[/tex]

[tex]\\v= \frac{4}{3} (729)\pi \\v= \frac{(729 \times 4)}{3} \pi \\v=\frac{2916}{3} \pi \\v=972 \pi[/tex]

So v= 972[tex]\pi[/tex] [tex]m^{3}[/tex]

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