Path: utzoo!utgpu!water!watmath!clyde!att!alberta!ubc-cs!grads.cs.ubc.ca!majka From: majka@grads.cs.ubc.ca (Marc Majka) Newsgroups: comp.graphics Subject: Re: A Question of Perspective (?) Message-ID: <3293@ubc-cs.UUCP> Date: 24 Jun 88 17:15:53 GMT References: <350001@hpcvlx.HP.COM> Sender: nobody@ubc-cs.UUCP Reply-To: majka@grads.cs.ubc.ca (Marc Majka) Organization: UBC Department of Computer Science, Vancouver, B.C., Canada Lines: 11 In <350001@hpcvlx.HP.COM> ben@hpcvlx.HP.COM (Benjamin Ellsworth) writes: > A disc 3" in diameter at 10ft has the same perceived size as a > disc of what diameter at 100ft? Can you solve the equation: 3 X -- = --- 10 100 I knew you could!