The total surface area of a cone whose radius is 2r and slant height is 2h. Find total surface area.
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Answered by
1
Answer:
area =2πrl +πr^2
l=√4r^2+4h^2
Answered by
2
Step-by-step explanation:
height =2√ h²- r²
slant height is 2h
radius = 2r
total surface area.=2π r( h + r)
= 8πr{√(h²+ r²) + r} [ by putting values of h and r]
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