Mashadi; Gemawati, Sri; Hasriati; Herlinawati, Hesy
(2016-02-17)
Suppose that ABCD is a quadrilateral. Then there will be 4 pieces of semiexcircle
on the quadrilateral. In this paper, we will discuss how to determine
the length of the radii of the semi-excircle, but previously we will ...