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)

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