r=2r,l=l/2,then find the tsa of a cone
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TSA of cone = πrl+ πr^2
=22/7×2×2+22/7×2^2
=88/7+88/7
176/7
=22/7×2×2+22/7×2^2
=88/7+88/7
176/7
vidun:
I am sorry to say this but you have understood it differently Rs equal to 2 hour and else equal to e l divided by 2
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hi mate here is your answer
r=2
l=1/2
Total surface area of a cone=2×22/7×r(r+l)
2×22/7×2(2+1/2)
=132/7...
r=2
l=1/2
Total surface area of a cone=2×22/7×r(r+l)
2×22/7×2(2+1/2)
=132/7...
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