Mathematics, 15.04.2020 01:30 ariellllllllllllllll

A cone has a circular base, a perpendicular height of 21cm and a semi vertical angle of 300. Calculate the slant height of the cone. Find the area of its base (Take π = 22/7)

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A cone has a circular base, a perpendicular height of 21cm and a semi vertical angle of 300. Calcula...