Question

find covered surface area of cone it is land height is 60 cm and the radius of its base is 21 CM

Answer 1

csa of a cone = πrl = 22/7 × 60 × 21 = 3960 cm²

Answer 2

Hiiii.......

$csa \: of \: cone \\ = \pi \times r \times l$
= 22/7 × 21 × 60

= 66 × 60

= 3960cm^2

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