A right triangle with sides 9 cm 12 cm and 15...

Home / Arithmetic Ability / Mensuration 3D / Question

Examveda

A right triangle with sides 9 cm, 12 cm and 15 cm is rotated about the side of 9 cm to form a cone. The volume of the cone so formed is:

A. 432π cm³

B. 327π cm³

C. 334π cm³

D. 324π cm³

Answer: Option A

Volume ⇒ $$\frac{1}{3}$$πr²h
⇒ $$\frac{1}{3}$$π × 12 × 12 × 9
⇒ 144 × 3π
⇒ 432π

This Question Belongs to Arithmetic Ability >> Mensuration 3D

Related Questions on Mensuration 3D

A. 2304π

B. 384π

C. 1536π

D. 768π

View Answer

A. 1.057 cm³

B. 4.224 cm³

C. 1.056 cm³

D. 42.24 cm³

View Answer

A. $${2^{\frac{3}{2}}}:1$$

B. $${2^{\frac{2}{3}}}:1$$

C. $${4^{\frac{2}{3}}}:1$$

D. $${2^{\frac{1}{3}}}:1$$

View Answer

A. 2 metre

B. 1.2 metre

C. 0.5 metre

D. 5 metre

View Answer