The total area of sheet required to make an open cone of height 24cm and radius 7cm is:
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Q2
What is the approximate total surface area of a right circular cone of height 14 cm and base radius 7 cm?(incm2)
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Q3
Raghu wants to make a closed aluminium cone for his science project. The slant height and radius of the cone are 10 cm and 7 cm respectively. The area of aluminium sheet required to make the cone is ___cm2 (Use π=3.14)
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Q4
The radius and height of a right circular solid cone are 7cm and 24cm respectively. Find its curved surface area (in cm2)
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Q5
Find the area of metal sheet required in making a closed hollow cone of base radius 7 cm and height 24 cm.