Question

A birthday cap is made in the form of a cone of base radius 7cm and slant height 25 cm . Find the area of sheet required to make ten such caps​

Answer 1

#Sneha

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Answer 2

radius=7cm

slant height =25cm

CSA of cone= πrl =

$\frac{22}{7} \times 7 \times 25 \\ 22 \times 25 = 550cm {}^{2}$

Area of sheet required for 1 cap =550cm²

Area of sheet required for 10 caps =550x10=5500cm²