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Simson-Wallace variation
作者:
M. Pilar Vélez
Construct a triangle ABC and free point D. Consider the perpendicular lines to DA, DB and DC. Ask for the locus of D so that these perpendicular lines are concurrent.
Simson-Wallace variation (M. de Guzman's book, pp45)
GeoGebra
新资源
Special Right Triangles 30°-60°-90° and 45°-45°-90°
z`]]
Tangent in Cartesian and Polar Coordinates
Polar Coordinates Book
apec
发现资源
Center of a Circle
log(x)
Problem #6 of Geogebra
Investigation 1 sketch 1
Secant to Tangent
Intro to GeoGebra
发现主题
百分数
平移
统计特征
三角函数
幂函数