Question

8. A circular tent is cylindrical to a height of 4 m and conical above it. If its diameter is 210 m and its slant height is 40m. The total area of the canvas required in m2 is​

Answer 1

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$αɳรωεɾ$

ƒσɾ cყℓเɳ∂εɾ 

∂เαɱεƭεɾ เร 105 ɱ

ƭɦεɳ ɾα∂เµร เร 2105ɱ

ɳσω ɦεเɠɦƭ=4 ɱ

ƒσɾ cσɳε

ℓ=80 ɱ αɳ∂ ɾ=2105

ƭσƭαℓ รµɾƒαcε αɾεα σƒ ƭɦε ƭεɳƭ เร ƭɦε รµɱ σƒ ℓαƭεɾαℓ รµƒαcε σƒ cσɳε αɳ∂ cყℓเɳ∂εɾ

=2πɾɦ+πɾℓ

=1320+13200

=14520ɱ²

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