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Mathematics, 09.09.2020 16:01 akemble8862

A cone has a circular base, a perpendicular height of 21cm and a semi vertical angle of 30° Calculate the slant height of the cone. Find the area of it base. Pi=22/7

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A cone has a circular base, a perpendicular height of 21cm and a semi vertical angle of 30° Calcula...
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