Blogtrek

Blogtrek

2002/06/05

Mathematics in life

My profession is mathematics, so I see mathematical things in life. I noticed two problems today. One concerns presenting a speech involving overhead slides to an audience. You want to put the projector so the image is not blocked either by you the speaker or by the projector. This gets into some geometry; in particular, lines from a collection of points (attendees) to the projector and the presenter. Is there an optimal way to do it, a formula dependent on the geometry of the room you are giving the speech in?

The other concerns a church that wants to go from one service each week to two. How will the parking situation change? Will there be a big crowd between the two services, and what is the average distance from where you park your car to the church?

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