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wu :: forums    riddles    medium (Moderators: Eigenray, SMQ, Grimbal, Icarus, ThudnBlunder, towr, william wu)    A Slice of Pie « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: A Slice of Pie  (Read 501 times) ThudnBlunder wu::riddles Moderator Uberpuzzler The dewdrop slides into the shining Sea     Gender: Posts: 4489 A Slice of Pie   PieSlice.JPG « on: Jan 20th, 2009, 7:51pm » Quote Modify What is the radius of the smallest circular plate on which a pie with unit radius will just fit, as below? IP Logged THE MEEK SHALL INHERIT THE EARTH.....................................................................er, if that's all right with the rest of you. towr wu::riddles Moderator Uberpuzzler Some people are average, some are just mean.     Gender: Posts: 13730 Re: A Slice of Pie   « Reply #1 on: Jan 21st, 2009, 1:39am » Quote Modify 1/(2 cos(1/2 t) IP Logged Wikipedia, Google, Mathworld, Integer sequence DB balakrishnan Junior Member     Gender: Posts: 92 Re: A Slice of Pie   « Reply #2 on: Jan 21st, 2009, 2:21am » Quote Modify That is for t<=/2 IP Logged towr wu::riddles Moderator Uberpuzzler Some people are average, some are just mean.     Gender: Posts: 13730 Re: A Slice of Pie   « Reply #3 on: Jan 21st, 2009, 2:35am » Quote Modify True. Is it really still a slice of pie if it's bigger than that, though?     /2 <= t <= : r=sin(1/2 t) <= t: r=1 « Last Edit: Jan 21st, 2009, 2:40am by towr » IP Logged Wikipedia, Google, Mathworld, Integer sequence DB Grimbal wu::riddles Moderator Uberpuzzler     Gender: Posts: 7527 Re: A Slice of Pie   « Reply #4 on: Jan 21st, 2009, 6:56am » Quote Modify If you just add the case for t=0, you will have a complete solution.   IP Logged Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy => medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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