Geoboard Area Calculation by Jason Wofsey
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Geoboard Area
This example demonstrates how to calculate the area of polygons using a Geoboard. It involves core mathematical concepts such as area, complex numbers, fractions, difference and slope, and step functions. The construction uses commands like Polygon, Textfield, and Area, with objects including D_3, R_2, J_2, H_3, K_1, etc. It is suitable for middle school students and above learning geometric area calculations and function graphing applications.
GeoGebra Commands & Parameters
Polygon(H, C_3, E_3, H_3, J_2, R_2, K_1, D_3) → poly2, h, c_3, e_1, h_3, j_2, r_2, k_1, d_3Textfield() → InputBox1Area(poly2) → polyArea