## A joker’s cap in the form of a right circular cone of base radius 7cm and height 24cm.find the area of the sheet required to make 10 such ca

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## Answers ( )

Answer:radius = 7cm

height = 24 cm

l =√r² +h²

l =√7² + 24²

l = √49 + 576

l = √625

l = 25

Curved surface area of one conical cap =

πrl= (22/7)×(7)×25

= 550 cm ²

Curved surface area of 10 conical caps = 10 × 550 cm ²= 5500 cm²

∴ the area of sheet required to make 10 conical caps is 5500 cm²

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