(Q8) Find the volume and total surface area of a hemisphere of radius 3.5 cm (π =
22
7
)
3.5cm
Radius of sphere(r) is
cm =
2
cm
Volume of hemisphere =
2
3
πr
3
=
2
3
×
22
7
×
2
×
2
×
2
=
=
cm
3
Total Surface area = 3πr
2
= 3 ×
22
7
×
2
×
2
=
=
cm
2
Clear