The Elements of Euclid [book 1] for beginners, by J. Lowres1852 |
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Página 26
... angles equal to one another , the two lines are parallel . Let the line EF fall upon the two lines A B and C D , and make the alternate angles AGF and A EHD equal ; then A B and C D are parallel . For , if AB and CD be not parallel ...
... angles equal to one another , the two lines are parallel . Let the line EF fall upon the two lines A B and C D , and make the alternate angles AGF and A EHD equal ; then A B and C D are parallel . For , if AB and CD be not parallel ...
Página 27
... angles AGF and EHD are equal : and the exterior angle EGB equal to the interior angle EHD at the same side of EF : and also the two interior angles BGF and E HD at the same side equal to two right angles . A C E G H B Part 1. The alternate ...
... angles AGF and EHD are equal : and the exterior angle EGB equal to the interior angle EHD at the same side of EF : and also the two interior angles BGF and E HD at the same side equal to two right angles . A C E G H B Part 1. The alternate ...
Página 28
... angles AGF and EPN are equal , being alternate angles ( Prop . L. 29. ) ; but the angle EPN is equal to the interior opposite angle EHD ( Prop . 29. ) ; therefore the angles AGF and EHD are equal ( Ax . 1. ) , and they are alternate ...
... angles AGF and EPN are equal , being alternate angles ( Prop . L. 29. ) ; but the angle EPN is equal to the interior opposite angle EHD ( Prop . 29. ) ; therefore the angles AGF and EHD are equal ( Ax . 1. ) , and they are alternate ...
Otras ediciones - Ver todas
The Elements of Euclid [Book 1] for Beginners, by J. Lowres Joseph Butler,Thomas Codrington,Euclides Sin vista previa disponible - 2018 |
The Elements of Euclid [book 1] for Beginners, by J. Lowres Joseph Butler,Thomas Codrington,Euclides Sin vista previa disponible - 2018 |
The Elements of Euclid [book 1] for Beginners, by J. Lowres Joseph Butler,Thomas Codrington,Euclides Sin vista previa disponible - 2018 |
Términos y frases comunes
A B and C D A B is equal ABC and ABD ABCD adjacent angles alternate angles angle ABC angle BAC angle equal angle opposite angles AGF angles CAB angles DBA base BC BC is equal BD Prop BGF and EHD bisect coincide DBC are equal demonstrated describe an equilateral diagonal draw EHD are equal equal Ax equal bases equal Hyp equal Prop equal sides equal to CD equal triangles equilateral triangle EUCLID's ELEMENTS exterior given angle given line given point greater than AC hypotenuse interior angles interior opposite angle isosceles triangle join Let the line line BC lines A B parallel Prop parallel to BC parallelogram perpendicular price One Shilling PROB produced proposition rectilineal figure respectively equal right angles Prop SCHOL side A B sides AB sides BC THEOR triangle ABC triangles are equal Twickenham vertex W. W. D. PROP
Pasajes populares
Página 10 - Things which are halves of the same are equal to one another. 8. Magnitudes which coincide with one another, that is, which exactly fill the same space, are equal to one another.
Página 10 - Things which are equal to the same thing are also equal to one another. 2. If equals be added to equals, the wholes are equal. 3. If equals be subtracted from equals, the remainders are equal. 4. Things which coincide with one another are equal to one another.
Página 40 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Página 10 - If a straight line meets two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Página 10 - LET it be granted that a straight line may be drawn from any one point to any other point.
Página 39 - If the square described upon one of the sides of a triangle, be equal to the squares described upon the other two sides of it ; the angle contained by these two sides is a right angle.
Página 20 - If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles.
Página 29 - 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.
Página 22 - Any two sides of a triangle are together greater than the third side.
Página 10 - Things which are equal to the same thing are equal to one another. 2. If equals be added to equals, the wholes are equal. 3. If equals be taken from equals, the remainders are equal. 4. If equals be added to unequals, the wholes are unequal.