Question

7. A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm.
Find the volume of the solid so obtained.
8. If the triangle ABC in the Question 7 above is revolved about the side 5 cm, then find
the volume of the solid so obtained. Find also the ratio of the volumes of the two
solids obtained in Questions 7 and 8 ​

Answer 1

Answer:

100π cm2

Step-by-step explanation:

Solid so obtained is a cone with r=5 & h=12

⇒ Volume =

3

1

πr

2

h=

3

π

×25×12=100πcm

2

.