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September 4, 2015

Homework Help: geometry

Posted by Manda on Wednesday, July 11, 2012 at 10:18pm.

An army base is enclosed by a wire fence so that it forms a circular compound. The entrance to the base is located at X(3, 6) and the exit is at Y(9, 14). X and Y are end points of a diameter of the circle. A search tower is positioned at Z(2, 13) on the circumference of the circle.
a) Show that the triangle formed by XYZ is right-angled.
b) Show that the perpendicular bisectors of XZ and YZ intersect at the centre of the base.

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