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Xmas Cone by Ramon Vizmonte I. Objectives: - to make a project using topics such as the matrix, determinants, and conics - to make useful and practical applications using the said topics II. Description: This project is a Christmas tree-shaped cone cut into five pieces Each piece represents a different conic: a circle, an ellipse, a parabola and a hyperbola III. Materials: styrofoam, paper, glue, felt paper, stick, pentel pen, coloring materials, cutter, scissors IV. Illustration: fig. 1 *red lines ( -------) represent angles where the cone will be cut *blue bars ( -) represent where sticks can be placed V. Procedure: 1. Cut a ten by ten inch felt paper then make a cone using the styrofoam as a guide. Glue the edges then hold it together using tape until the glue dries. 2. Cut the cone in the specified positions. (see fig. 1) 3. Insert one-inch sticks halfway on the parts where it cut. (see fig. 1) 4. Put the tree back together. 5. Decorate the felt paper using glitters or coloring materials 6. Jingle Bells!!! You now have a the Super Xmas Cone 2000 for the whole class to enjoy! V. Applications/Uses: this can be used as a visual aid to help understand the different conics since Christmas is drawing near, this can also be used as a Christmas d�cor, or a gift, or a giveaway after using it at class! Happy Holidays!!! VI. References Deauna, Melecio C., and Lamayo, Florita C. Introduction to Analytic Geometry and Calculus. Quezon City: SIBS Publishing House, Inc. 2000 print ========= << previous | next >> << back to projects << back to main