Question Number 47595 by ajfour last updated on 12/Nov/18
Commented by ajfour last updated on 12/Nov/18
$${Regarding}\:{Q}.\mathrm{47497}\:\left({some}\:{analysis}\right) \\ $$$${Also}\:{see}\:{diagram}\:{of}\:{Q}.\mathrm{47599}\: \\ $$$${for}\:{part}\:{of}\:{solution}\left({section}\:{A}\right). \\ $$
Commented by mr W last updated on 13/Nov/18
$${sir},\:{I}\:{think}\:{the}\:{shape}\:{of}\:{shadow}\:{from} \\ $$$${the}\:{top}\:\left({circle}\right)\:{of}\:{the}\:{cylinder}\:{is}\:{an} \\ $$$${ellipse}\:\left({circle}\:{is}\:{also}\:{an}\:{ellipse}\right). \\ $$$${If}\:{an}\:{oblique}\:{cone}\:{with}\:{elliptical}\:{base} \\ $$$${is}\:{cut}\:{by}\:{a}\:{plane}\:{parallel}\:{to}\:{the}\:{base}, \\ $$$${then}\:{the}\:{section}\:{is}\:{also}\:{an}\:{ellipse},\:{I} \\ $$$${think}. \\ $$
Commented by mr W last updated on 12/Nov/18
