Question

Find the weight of a solid cone whose base is of diameter 42 cm and vertical height 20 cm,
supposing that the material of which it is made weights 5 grams per cubic centimetre.​

Answer 1

Answer:

Volume of cone =

3

1

πr

2

h=

3

1

×

7

22

×

2

42

×

2

42

×20

= 9240 cm

3

1cm

3

=5gm⇒9240cm

3

=9240×5=46200gm

∴ weight of solid cone = 46200gm = 46.2kg

Answer 2

BTS AND EXO LIVE FOREVER AND EVER