Ask Dr. Math High School Archive

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 TOPICS This page:   constructions    Search   Dr. Math See also the Dr. Math FAQ:   impossible   constructions Internet Library:   constructions HIGH SCHOOL About Math Analysis Algebra    basic algebra    equations/graphs/      translations    linear algebra    linear equations    polynomials Calculus Complex Numbers Calculators/    Computers Definitions Discrete Math    permutations/    combinations Exponents    Logarithms Fibonacci Sequence/   Golden Ratio Fractals Functions Geometry    Euclidean/plane      conic sections/        circles      constructions      coordinate plane      triangles/polygons    higher-dimensional      polyhedra    non-Euclidean    practical geometry    symmetry/tessellations History/Biography Interest Logic Negative Numbers Number Theory Physics/Chemistry Probability Projects Puzzles Sequences/Series Sets Square/Cube Roots Statistics Transcendental   Numbers Trigonometry Browse High School Constructions Stars indicate particularly interesting answers or good places to begin browsing. Trisecting an Angle: Proof [6/3/1996] Is there a proof for how to trisect an angle? Trisecting an Angle Using Compass and Straightedge [04/29/2004] A student claims he can trisect an arbitrary angle with no measuring and only a straightedge and a compass, using Geometer's Sketchpad to prove his method is correct. Doctor Math talks about why a construction alone is not enough to prove the method. Trisecting an Angle Using the Conchoid of Nicomedes [08/16/2002] Is it possible that I could have trisected an angle using the Nichomedian conchoid? Trisecting a Pizza [05/13/2002] Without the use of a ruler, protractor or other measuring device, is there a simple way to divide a pizza into 3 equal sized slices? Trisecting a Right Angle [12/16/1996] An explanation of how to trisect a 90 degree angle, plus some constructions. Volume of a Square Pyramid by Construction, not Rote [05/04/2016] An adult mentor seeks to determine a volume without applying the usual formula. By extending an insight that only partly applied, Doctor Greenie stretches her visualization model. Why Straightedge and Compass Only? [10/02/2002] My geometry students want to know why constructions can only be done using a straightedge and a compass. Page: [

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