Diameter of the base of a cone is 10.5cm and it's slant height is 10cm. Find it's CSA..
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Diameter of the base of a cone = 10.5 cm
Radius, r = 10.5/2 = 5.25 cm
Slant height, l = 10 cm
C.S.A. of cone = πrl
=> 3.14 × 5.25 × 10
=> 164.85 cm²
Diameter of the base of a cone = 10.5 cm
Radius, r = 10.5/2 = 5.25 cm
Slant height, l = 10 cm
C.S.A. of cone = πrl
=> 3.14 × 5.25 × 10
=> 164.85 cm²
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