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Robert L. ...The area of each of those 8 triangles is 1/2*r*s where s is the length of each side of the octagon. So we have an area within the octagon of 8s*1/2*r. This is an approximation of the area of the circle that improves if the polygon (in this case, an octagon) has more sides.
26 Subjects: including calculus, physics, statistics, geometry
Glencoe, IL
Jordan V. Discover how you too can think like a physicist! As a student myself, I realize that physics and mathematics can often appear as the most daunting of school subjects. And the puzzles posed by such demand a knack for creativity and the resolve for intense contemplation.
7 Subjects: including calculus, physics, geometry, algebra 1
Chicago, IL
Alyssa P. ...I have taken a discrete math course as an undergraduate. Furthermore, many of my college and grad school classes used discrete math as the foundation of the topic (computer operations, quantum mechanics, etc). I have taken differential equations courses as an undergraduate, and diff-eq has been ...
12 Subjects: including calculus, physics, geometry, algebra 1
Naperville, IL
Sarah G. ...I have a Bachelor's and a Master's degree in Music: Vocal Performance. I trained in sight singing under Dr. Caldwell at Western Illinois University.
20 Subjects: including calculus, physics, geometry, GRE
Chicago, IL
Daniel C. ...I have a Ph.D. in Applied Mathematics and can comfortably teach Linear Algebra at the undergraduate level. I held the CFA Charterholder designation from 2003 to 2013. The CFA Body of Knowledge curriculum is substantially more comprehensive than that of Series 7.
22 Subjects: including calculus, physics, geometry, statistics
Northbrook, IL

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