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Answer 
Tasneem
(i) Radius of cone = 
Let the height of the cone be h.
Volume of cone = 9856 cm3
h = 48 cm
Therefore, the height of the cone is 48 cm.
(ii) Slant height (l) of cone 
Therefore, the slant height of the cone is 50 cm.
(iii) CSA of cone = πrl
= 2200 cm2
Therefore, the curved surface area of the cone is 2200 cm2.
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Aniruddh Dhariwal
Professional in Adaptive Learning for with 12 Yrs of Experience in Quality Teaching
Aniruddh Dhariwal
Professional in Adaptive Learning for with 12 Yrs of Experience in Quality Teaching
(i)V = 1/3 * π* r*r*h
9856 = 1/3 *(22/7) *14*14*h
h= (9856*3*7)/(22*14*14)
=48 cm
(ii) slant height
l = √(r*r + h*h) = √ (196+2304)
= √2500 = 50 cm
(iii) curved surface area
π*r*l = (22/7)*14*50
=2200 cm^2
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Find the volume of the right circular cone with
(i) radius 6 cm, height 7 cm
(ii) radius 3.5 cm, height 12 cm
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