find the total surface area cone it's slant height its 21 metre and diameter of the base is 24 m
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by SK mathematics
diameter is equal to 2r
diameter is equal to 2r
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Radius of the base of cone=24/2=12cm
slant height of cone =21m
Total surface area of cone =πr(r+l)
slant height of cone =21m
Total surface area of cone =πr(r+l)
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karandeep89:
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