CD Tesis
Modifikasi Teorema Cross Pada Segitiga
The Cross’ theorem is basically for triangles. Some authors have developed in rectangles and used rectangles on side of triangle. This thesis discusses the modification Cross’ theorem on triangle which is expanded once more by constructing a square outside direction on each side of the Cross’ theorem triangle. The proof process is done in a very simple way using congruence. Besides, the modification of Cross’ theorem yields three trapezoidal shapes whose area are five times the area of the initial triangle.
Keywords: Triangle, Cross’ theorem, congruence
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