Find the total surface area of the cone if r/2and the slant height 2r
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TSA=πr×(l+r)
=22/7×r/2×(2r+r/2)
=11r/7×(5r/2)
=55r^2/14
Mark me as brainliest...
=22/7×r/2×(2r+r/2)
=11r/7×(5r/2)
=55r^2/14
Mark me as brainliest...
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