The height and slant height of a cone are 21cm and 28cm. Find the area of the base
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1078 is the answer u can understand by photo also
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hey there;
given : -
h= 21cm & l = 28cm
L^2 = h^2+r^2
28*28 = 21*21 + r^2
r^2 = 343
area of base = π*r^2
(r^2 value = 343)
22/7*343
22*49
= 1078 cm ^2
hope it helped you !!!
pls mark as brainliest ans!!!!
given : -
h= 21cm & l = 28cm
L^2 = h^2+r^2
28*28 = 21*21 + r^2
r^2 = 343
area of base = π*r^2
(r^2 value = 343)
22/7*343
22*49
= 1078 cm ^2
hope it helped you !!!
pls mark as brainliest ans!!!!
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