+4 A circle is drawn through the vertices of square ABCD, and point X is on minor arc AB. Given that [XAB] = 1 and [XCD] = 993, find [XAD]+[XBC].
I think should look out here: https://www.quora.com/What-is-LaTeX-Why-should-someone-use-it-What-can-be-done-with-it-Explain-in-layman%E2%82%98s-terms-if-possible
