find the radius of a cone. L =41cm. ,h=40cm
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slant height=l=41
height=h=40
l sq.=r sq. +h sq.
41 sq. = r sq. +40 sq.
1681=r sq.+1600
1681-1600=r sq.
81=r sq.
Taking sq. root
r= 9 cm.
height=h=40
l sq.=r sq. +h sq.
41 sq. = r sq. +40 sq.
1681=r sq.+1600
1681-1600=r sq.
81=r sq.
Taking sq. root
r= 9 cm.
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