Решение
(21.3.1.2.1)
![V[F] = `*`(Pi, `*`(`^`(r, 2), `*`(h)))](images/e_60.gif){kind=small}
![V[F] = `*`(`*`(Pi, `*`(`^`(`+`(`*`(`/`(1, 2), `*`(sqrt(`+`(`^`(4, 2), `^`(1, 2)))))), 2))), `+`(`/`(`*`(2), `*`(Pi))))](images/e_61.gif){kind=small}
![V[F] = `/`(17, 2)](images/e_62.gif){kind=small}