surface area and volume
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CSA of a cone = 22/7 *7*l
551-1 =22l
22l= 550
l = 25
l^2 =h^2+ r^2
625-49 = h^2
h^2= 576
h= 24
volume = 1/3 * 22/7 * 7*7*24
= (22*7*8)cm^2
551-1 =22l
22l= 550
l = 25
l^2 =h^2+ r^2
625-49 = h^2
h^2= 576
h= 24
volume = 1/3 * 22/7 * 7*7*24
= (22*7*8)cm^2
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