# Elementary Mathematics: Embracing Arithmetic Geometry, and Algebra

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### Ресйечьменб

 ARITHMETIC 5 MĘTRICAL SYSTEMS 52 GEOMETRY 65
 ALGEBRA 95 APPENDIX 121

### ДзмпцйлЮ брпурЬумбфб

УелЯдб 85 - If a side of any triangle be produced, the exterior angle is equal to the, two interior and opposite angles ; and the three interior angles of every triangle are equal to two right angles.
УелЯдб 110 - If two triangles have two sides of the one equal to two sides of the other...
УелЯдб 105 - If one side of a triangle be produced, the exterior angle is greater than either of the interior, and opposite angles.
УелЯдб 83 - If a straight line fall on two parallel straight lines, it makes the alternate angles equal to one another, and the exterior angle equal to the interior and opposite angle on the same side; and also the two interior angles on the same side together equal to two right angles.