The volume and the radius of the base of right circular cone are 9240cm^3 and 21cm respectively.Find the slant height of the cone.
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Volume of cone=1/3πr²h
9240 =1/3*22/7*21*21*h
=22*21
=462
h=9240/462
h=20 cm
slant height=L
L=√R²+H²
L=√441+400
=√841
L=29
Slant height=29 cm
9240 =1/3*22/7*21*21*h
=22*21
=462
h=9240/462
h=20 cm
slant height=L
L=√R²+H²
L=√441+400
=√841
L=29
Slant height=29 cm
Answered by
3
Answer:
Volume of cone=1/3πr²h
9240 =1/3*22/7*21*21*h
=22*21
=462
h=9240/462
h=20 cm
slant height=L
L=√R²+H²
L=√441+400
=√841
L=29
Slant height=29 cm
Step-by-step explanation:
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