The total surface area for cone radius 6cm height 8cm is
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As we that ,
l²=h²+r²
From this we will get slant height(l) which is required for the total surface area of cone which is
πr(l+r)
l²=(8)²+(6)²
l²=64+36
l²=100
l=√100
l=10
Total surface area of cone=πr(l+r)
Now put the value of radius,pi,slant height and you will get the answer
22/7*6*(10+6)
22/7*6*16
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