<b>Calculate the volume and surface area of ​​a body:</b> <p>(a) §§F(GenPara,30,30,80,30,50,70,0,70,400)§§</p> <p>(b) §§F(GenPara,-40,40,10,40,-20,-20,-70,-20,300)§§</p> <p>(c) §§F(GenPara,-60,§§V15(30,50,5)§§,40,§§V15(30,50,5)§§,20,-50,-80,-50,300)§§</p> <p>(d) §§F(GenPara,20,-30,70,-30,70,§§V14(-60,30,10)§§,20,§§V14(-60,30,10)§§,300)§§</p> <p>(e) §§F(GenPara,10,10,40,10,20,40,-10,40,300)§§</p> <p>(f) §§F(GenPara,§§V20(-60,-40,10)§§,§§V21(20,40,10)§§,§§V22(40,60,10)§§,§§V21(20,40,10)§§,§§V22(40,60,10)§§,§§V23(-50,-30,10)§§,§§V20(-60,-40,10)§§,§§V23(-50,-30,10)§§,400)§§</p>