11. · ar1 points I Previous Answans My Nates Ask Your Use the Theorem of Pappus

Question

11. · ar1 points I Previous Answans My Nates Ask Your Use the Theorem of Pappus to find the volume of the solid af revalution The torus formed by revolving the circle (x - 5y9 about the y-axis. Submit Answer save Progress Practice Another Version 12. 1 points My Notes Ask Your Use the Second Toeorem of Pappus, which is stated s follows· If a segment of plane curve C ls revolved about an axis that does not intersect the curve except possibly at Its endpoints. te area s of the resultIng surface of revolution 15 equal to tne product ot the length of times the distance d traveled by the centroid or C. A tarus is formed hy revnlving the graph of ( -1)2 y2- about the y-axis. Find the surface ares of the torus. Need Help? Read chMasserTalk to a Tutor

Explanation / Answer

multiple questions posted. please post each question seperately .

11)

given circle (x-5)2+y2=9

=>(x-5)2+(y-0)2=32

center is (5,0) , radius r=3,

minor radius,r=3

major radius,R=5

using pappus theorem

volume of the solid of revolution ,V=(r2)(2R)

V=(*32)(2*5)

V=(9)(10)

V=902

volume of the solid of revolution=902

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