 The sum of the perpendiculars dropped from any point within an equilateral triangle to the three sides is constant, and equal to the altitude.  Plane Geometry - Page 71by George Albert Wentworth - 1899 - 256 pagesFull view - About this book
 | William Betz, Harrison Emmett Webb, Percey Franklyn Smith - Geometry, Plane - 1912 - 356 pages
...to the legs is equal to the altitude upon one of the legs (Fig. 1). 3. The sum of the perpendiculars from any point within an equilateral triangle to the three sides is equal to the altitude of the triangle (Fig. 2). 4. If two medians of a triangle are equal, the triangle... | |
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