Math, asked by soundarya137, 1 year ago

right circular cylinder of radius 10 cm and height 21 CM a right circular cone in the same is is removed in the volume of the remaining portion is for 4400 centimetre cube find the height of the call

Answers

Answered by Ribhu11
5
Given,
In cylinder,
radius=10cm, height=21cm
In cone,
radius=10cm, height=h
πr^2h-(1/3)πr^2h=4400
(22/7)*100*21-(1/3)*(22/7)*100*h=4400
On solving you get,
h=21cm.

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Thank you.
Answered by sivanageswararao81
0

Answer:

Correct option is C)

Step-by-step explanation:

Let the height of cone be 'h', then

πr

2H= 31 πr2h=4400㎤

⇒πr 2[21− 3h]=4400⇒63−h=

22×10×10

3×4400×7 =42

⇒h=63−42= 21㎝.

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