Plane Geometry by the Suggestive MethodB.H. Sanborn, 1903 - 122 σελίδες |
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Αποτελέσματα 1 - 5 από τα 31.
Σελίδα 6
... ( Two figures : first , perpendicular at some point within the line ; second , at the extremity of the line . ) THEOREM II 19. All right angles are equal . Hyp . Let CDB and Z C'D'B ' be any two rt . 4 . To prove that ≤ CDBZ C'D'B ...
... ( Two figures : first , perpendicular at some point within the line ; second , at the extremity of the line . ) THEOREM II 19. All right angles are equal . Hyp . Let CDB and Z C'D'B ' be any two rt . 4 . To prove that ≤ CDBZ C'D'B ...
Σελίδα 7
... equals two right angles . Hyp . Let DB meet CA at B. To prove that ABD + ≤ DBC = 2 rt . . SUG . 1. Draw PB 1 AC at B. SUG . 2. Compare the sum of △ ABP and ≤ PBC with the sum of ABD and DBC . Conclusion . 22. Corollary 1. The sum of ...
... equals two right angles . Hyp . Let DB meet CA at B. To prove that ABD + ≤ DBC = 2 rt . . SUG . 1. Draw PB 1 AC at B. SUG . 2. Compare the sum of △ ABP and ≤ PBC with the sum of ABD and DBC . Conclusion . 22. Corollary 1. The sum of ...
Σελίδα 8
... equals four right angles . SUG . Produce one line through the point and ... two straight lines intersect , they form vertical angles which are equal ... two straight lines intersect , 8 PLANE GEOMETRY , BOOK I.
... equals four right angles . SUG . Produce one line through the point and ... two straight lines intersect , they form vertical angles which are equal ... two straight lines intersect , 8 PLANE GEOMETRY , BOOK I.
Σελίδα 10
John Alton Avery. THEOREM V 27. If two adjacent angles are together equal to two right angles , their exterior sides are in the same straight line . Hyp . Let ABC + 2 CBD = 2 rt . 4 . To prove that AB and BD form one st . line . SUG . 1 ...
John Alton Avery. THEOREM V 27. If two adjacent angles are together equal to two right angles , their exterior sides are in the same straight line . Hyp . Let ABC + 2 CBD = 2 rt . 4 . To prove that AB and BD form one st . line . SUG . 1 ...
Σελίδα 18
John Alton Avery. THEOREM XIII 42. If two right triangles have the hypotenuse and an acute angle of one equal respectively to the hypotenuse and an acute angle of the other , the triangles are equal . Hyp . In the rt . A ABC and A'B'C ...
John Alton Avery. THEOREM XIII 42. If two right triangles have the hypotenuse and an acute angle of one equal respectively to the hypotenuse and an acute angle of the other , the triangles are equal . Hyp . In the rt . A ABC and A'B'C ...
Άλλες εκδόσεις - Προβολή όλων
Plane Geometry by the Suggestive Method (Classic Reprint) John A. Avery Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Plane Geometry by the Suggestive Method (Classic Reprint) John A. Avery Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acute angle alternate-exterior angles altitude angles are equal apothem Apply Theo Auth bisector bisects central angles chord circumference Converse of Theo Corollary diagonals diameter divided double the number draw a line drawn equal angles equal circles equal respectively equals the product equals the ratio equals two right equiangular equiangular polygon EXERCISES exterior angle follows regarding four right angles given line greater homologous hypotenuse included angle inscribed angle intercepted arc interior intersect isosceles triangle line perpendicular lines are cut lines are parallel locus mean proportional method middle point number of sides oblique lines parallel lines parallelogram perimeters Problem Prop radius rectangle regular inscribed polygon regular polygon rhombus right triangle Scholium secant similar polygons straight line tangent THEOREM IV THEOREM VIII Topics for Definition trapezoid triangle equals triangles are equal triangles are similar unequal vertex
Δημοφιλή αποσπάσματα
Σελίδα 92 - The square described on the hypothenuse of a right-angled triangle is equivalent to the sum of the squares described on the other two sides.
Σελίδα 115 - If two triangles have two sides of one respectively equal to two sides of the other, and the included angles unequal, the triangle which has the greater included angle has the greater third side.
Σελίδα 115 - If two triangles have two sides of one equal to two sides of the other but the third side of the first greater than the thin!
Σελίδα 12 - If two triangles have two angles and the included side of one equal respectively to two angles and the included side of the other, the triangles are congruent.
Σελίδα 76 - Sines that the bisector of an angle of a triangle divides the opposite side into parts proportional to the adjacent sides.
Σελίδα 73 - ... they have an angle of one equal to an angle of the other and the including sides are proportional; (c) their sides are respectively proportional.
Σελίδα 3 - If the first of three quantities is greater than the second, and the second is greater than the third, then the first is greater than the third.
Σελίδα 113 - If two straight lines in a plane meet another straight line in the plane so that the sum of the interior angles on the same side of the latter straight line is less than two right angles...
Σελίδα 77 - If two polygons are composed of the same number of triangles, similar each to each and similarly placed, the polygons are similar.
Σελίδα 80 - In a right triangle, if a perpendicular is drawn from the vertex of the right angle to the hypotenuse : I.