Question

How much is the volume of a hemisphere if the radius of the base is 3.5m?


a) 85.9 m3

b) 80 m3

c) 98 m3

d) 89.83 m3​

Answer 1

Answer:

The volume V of hemisphere of radius r is given by V=

3

2

πr

3

Here, r=3.5 cm

∴V=

3

2

×

7

22

×(3.5)

3

⇒V=89.83 cm

3

Step-by-step explanation:

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Answer 2

Answer:

Option D = 89.83

Step-by-step explanation:

The volume V of hemisphere of radius r is given by V= ⅔ πr³

Here, r=3.5 cm

∴V= ⅔ x 22/7×(3.5)³

⇒V=89.83 cm³