Question

A toy is in the form of a cone mounted on a hemisphere of diameter 7 cm the total height of a toy is 14.5 cm find the volume and the total surface area of toy take Pie is equal to 22 upon 7​

Answer 1

this question of answer is 5656

Answer 2

Diameter of hemisphere=7cm

Radius of hemispherer=d/2

=

2

7

=3.5cm

Height of hemisphere=Radius of hemisphere

=3.5cm

Height of Toy=14.5cm

Height of cone=14.5−3.5=11cm

Radius of cone=3.5cm

∴ Volume of cone=Volume of cone+Volume of hemisphere

=

3

1

⋅πr

2

h+

3

4

⋅πr

3

=

3

1

⋅

7

22

⋅(3.5)

2

⋅11+

3

4

⋅

7

22

(3.5)

3

Volume of toy=320.83cm

3

.