Q. 105.0( 4 Votes )

# The circumference

Answer :

Height of cone = h = 9 m

Circumference of base of cone = 44 m

Let r be the radius of base of cone

Circumference of base of cone = 2πr

⇒ 2πr = 44

⇒ πr = 22

⇒ × r = 22

⇒ r =

⇒ r = 7 m

Volume of air present inside the cone = volume of cone

Volume of cone = πr^{2}h

= × × 7^{2} × 9

= 22 × 7 × 3

= 462 m^{3}

Therefore, volume of air inside cone is 462 m^{3}

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