Elements of Geometry, Briefly, Yet Plainly Demonstrated by Edmund StoneD. Midwinter, 1728 |
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Αποτελέσματα 1 - 5 από τα 21.
Σελίδα 4
... whofe Sides are right Lines ; and curved - lined ones fuch , whofe Sides are crooked Lines . 9. When the Lines that contain or form an Angle are right ones , that Angle is called a Right - lined Angle . 10. When a right G Line CG ...
... whofe Sides are right Lines ; and curved - lined ones fuch , whofe Sides are crooked Lines . 9. When the Lines that contain or form an Angle are right ones , that Angle is called a Right - lined Angle . 10. When a right G Line CG ...
Σελίδα 6
... whofe three Sides are all unequal ; as C. 26. Of thefe Trilateral Fi- gures , a Right - angled Right - angled Triangle is that which hath one right Angle ; as the Triangle A. B - 27. An Amblygonious , or Obtufe angled Triangle , is that ...
... whofe three Sides are all unequal ; as C. 26. Of thefe Trilateral Fi- gures , a Right - angled Right - angled Triangle is that which hath one right Angle ; as the Triangle A. B - 27. An Amblygonious , or Obtufe angled Triangle , is that ...
Σελίδα 7
... whofe Sides are equal , and Angles right ; as A B CD . 30. An Oblong , or Long - fquare , is a Fi- gure that has four right Angles , but not equal Sides ; as ABCD . 31. A Rhombus , is a Figure which hath four equal Sides , but is not ...
... whofe Sides are equal , and Angles right ; as A B CD . 30. An Oblong , or Long - fquare , is a Fi- gure that has four right Angles , but not equal Sides ; as ABCD . 31. A Rhombus , is a Figure which hath four equal Sides , but is not ...
Σελίδα 25
... whofe Sides FK , FG , GK are equal to c 15 def . the three Lines DF , FG , GH , that is , to the d 1 ax . three given Lines A , B , C. Q : E. F. PROP . XXIII . At a Point ( A ) in a right Line given ( A B ) to make a right - lined An- H ...
... whofe Sides FK , FG , GK are equal to c 15 def . the three Lines DF , FG , GH , that is , to the d 1 ax . three given Lines A , B , C. Q : E. F. PROP . XXIII . At a Point ( A ) in a right Line given ( A B ) to make a right - lined An- H ...
Σελίδα 50
... whofe Dia- meter is EB ; and form the Point C of Divifion , draw the Perpendicular CF to the Line AB ; and thro ' G draw HI parallel to AB . C a d Because the Angle EHGA is a right one , and AEB half a right one ; therefore HE HG EFAC ...
... whofe Dia- meter is EB ; and form the Point C of Divifion , draw the Perpendicular CF to the Line AB ; and thro ' G draw HI parallel to AB . C a d Because the Angle EHGA is a right one , and AEB half a right one ; therefore HE HG EFAC ...
Συχνά εμφανιζόμενοι όροι και φράσεις
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Δημοφιλή αποσπάσματα
Σελίδα 31 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Σελίδα 145 - Equal triangles which have one angle of the one equal to one angle of the other, have their sides about the equal angles reciprocally proportional : And triangles which have one angle in the one equal to one angle in the other, and their sides about the equal angles reciprocally proportional, are equal to one another.
Σελίδα 33 - ABD, is equal* to two right angles, «13. 1. therefore all the interior, together with all the exterior angles of the figure, are equal to twice as many right angles as there are sides of the figure; that is, by the foregoing corollary, they are equal to all the interior angles of the figure, together with four right angles; therefore all the exterior angles are equal to four right angles.
Σελίδα 27 - If two right-angled triangles have their hypotenuses equal, and one side of the one equal to one side of the other, the triangles are congruent.
Σελίδα 31 - The three angles of any triangle taken together are equal to the three angles of any other triangle taken together. From whence it follows, 2.
Σελίδα 11 - That a straight line may be drawn from any point to any other point. 2. That a straight line may be produced to any length in a straight line.