- 17 Nov '03 19:51after reviewing the problum, i see that it is poorly stated.

it would better read: Given points A and B x units appart, find point C such that the mesure of line AC plus the mesure of line BC equals y units, and the mesure of angle ABC equals 90 degrees using only ruler and strait edge. - 18 Nov '03 12:31
*Originally posted by fearlessleader***after reviewing the problum, i see that it is poorly stated.**

it would better read: Given points A and B x units appart, find point C such that the mesure of line AC plus the mesure of line BC equals y units, and the mesure of angle ACB equals 90 degrees using only compas and strait edge. - 18 Nov '03 13:06

language problem:*Originally posted by fearlessleader***after reviewing the problum, i see that it is poorly stated.**

it would better read: Given points A and B x units appart, find point C such that the mesure of line AC plus the mesure of line BC equals y units, and the mesure of angle ABC equals 90 degrees using only ruler and strait edge.

a ruler, is that an object with which you draw straight lines or an object with which you measure distances? - 18 Nov '03 19:37

typo*Originally posted by Fiathahel***language problem:**

a ruler, is that an object with which you draw straight lines or an object with which you measure distances?

is should read compas and strait edge, the compas a divice used to draw circles, the stright edge a device used to draw stright lines - 19 Nov '03 13:38Set the compass' radius to the seperation of A and B.

Draw two circles, one centered on A, the other on B.

Use the ruler to draw a staight line between A and B.

Then draw a straight line between the two cross points of the two circles: Call this the 'midline'.

The two straight lines will form a cross exactly in the midpoint of the two points A and B: call this the 'cross point'

Set the compass' radius to the seperation of the crosspoint and either A or B.

Draw a smaller circle centered on the cross point.

The point at which this smaller circle cuts the midline on either side will give you the two solution points. - 21 Nov '03 17:47

incorrect.*Originally posted by Toe***Set the compass' radius to the seperation of A and B.**

Draw two circles, one centered on A, the other on B.

Use the ruler to draw a staight line between A and B.

Then draw a straight line between the two cross points of the two circles: Call this the 'midline'.

The two straight lines will form a cross exactly in the midpoint of the two points A and B: call ...[text shortened]... which this smaller circle cuts the midline on either side will give you the two solution points.

hint: there are either 4 or 0 solution points for a given X:Y ratio