Question

a tent is cylindrical to a height of 4.8m and conical above it the radius of the base is 4.5m and total height of the tent is 10.8m find the canvas required for the tent in square metres​

Answer 1

Answer:

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Answer 2

Answer:

Curved Surface Area of Canvas = 241.84m2

Step-by-step explanation:

Height of the cylinder, h = 4.8m

Radius of cone = Radius of cylinder = 4.5m

Total Height = 10.8m

Height of cone,h' = 10.8-4.8 = 6m

Curved Surface Area of Canvas = 2(pie)rh+(pie)rl

l = [(r^2)+(h'^2)]^(1/2)

= [20.25+36]^(1/2)

= 7.5m

Curved Surface Area of Canvas = [2(22/7)×4.5×4.8] + [(22/7)×4.5×7.5]

= 135.77+106.07

= 241.84m2