CD Tesis
Pengembangan Outer Dan Inner Teorema Cross Pada Segiempat Saling Silang
This thesis discusses the development of the outer and inner Cross’ Theorem
on a crossed quadrilateral, by which it is expanded once and twice by constructing
a square towards the outer and towards the inner on each side of the crossed
quadrilateral theorem. The proof process is done using the sine and cosine rules.
The result obtained for the outer and inner are the absolute differences of the
triangles opposite is equal to the area of the base quadrilateral and the difference
from the absolute area of the plane shape formed from the development of the
outer and inner Cross’ Theorem in a crossed quadrilateral is equal to twice the
area of the base quadrilateral..
Keywords: Crossed quadrilateral outer, crossed quadrilateral inner, Cross’
Theorem
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