Plane and Solid GeometryCentury Company, 1906 - 418 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 100.
Σελίδα 7
... ANGLES 61 An angle is the figure formed by two straight lines pro- ceeding from a point . 62 The sides of an angle are the two diverging lines . 63 The vertex of an angle is the point in which the sides meet . Thus , the lines AB and AC ...
... ANGLES 61 An angle is the figure formed by two straight lines pro- ceeding from a point . 62 The sides of an angle are the two diverging lines . 63 The vertex of an angle is the point in which the sides meet . Thus , the lines AB and AC ...
Σελίδα 8
... angle may be designated by a small italic letter placed between its sides and near its vertex ; as , angles m and n . 66 Adjacent angles are two angles having the same vertex and a common side ... angle is an angle greater than a 8 GEOMETRY.
... angle may be designated by a small italic letter placed between its sides and near its vertex ; as , angles m and n . 66 Adjacent angles are two angles having the same vertex and a common side ... angle is an angle greater than a 8 GEOMETRY.
Σελίδα 9
Isaac Newton Failor. 75 An obtuse angle is an angle greater than a right angle and less than a straight angle ; as ... angle . 81 Supplementary angles are two angles whose sum is a INTRODUCTION 9.
Isaac Newton Failor. 75 An obtuse angle is an angle greater than a right angle and less than a straight angle ; as ... angle . 81 Supplementary angles are two angles whose sum is a INTRODUCTION 9.
Σελίδα 10
Isaac Newton Failor. 81 Supplementary angles are two angles whose sum is a straight angle . Thus , if DEF is a straight angle , the angles s and t are supplementary . s is the supplement of t , and t is the supplement of s . st D F E 82 ...
Isaac Newton Failor. 81 Supplementary angles are two angles whose sum is a straight angle . Thus , if DEF is a straight angle , the angles s and t are supplementary . s is the supplement of t , and t is the supplement of s . st D F E 82 ...
Σελίδα 16
... angles are equal . 106 COROLLARY 3. The sum of all the angles that can be formed at a point in a straight line , and on the same side of the line , is equal to two right angles . For their sum is equal to a straight angle , which is ...
... angles are equal . 106 COROLLARY 3. The sum of all the angles that can be formed at a point in a straight line , and on the same side of the line , is equal to two right angles . For their sum is equal to a straight angle , which is ...
Περιεχόμενα
17 | |
30 | |
53 | |
62 | |
69 | |
78 | |
91 | |
111 | |
239 | |
254 | |
262 | |
268 | |
284 | |
296 | |
303 | |
321 | |
125 | |
132 | |
140 | |
154 | |
164 | |
184 | |
192 | |
199 | |
212 | |
216 | |
225 | |
338 | |
344 | |
353 | |
365 | |
374 | |
382 | |
392 | |
400 | |
411 | |
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD altitude angles are equal arc BC assigned quantity base bisectors bisects chord circumference circumscribed circle CONCLUSION cone construct COROLLARY cylinder diagonals diameter diedral angles divided equiangular equiangular polygon equidistant equilateral triangle exterior angle Find the area Find the locus Find the ratio frustum given circle given line given point homologous sides hypotenuse HYPOTHESIS inches inscribed intersecting isosceles trapezoid isosceles triangle lateral area legs line of centers mean proportional median mid-points number of sides parallelogram parallelopiped perimeter perpendicular polyedral angle polyedron prism PROOF Draw Prove pyramid Q. E. D. EXERCISES Q. E. D. PROPOSITION quadrilateral radii radius rectangle regular polygon rhombus right angles right triangle SCHOLIUM secant segments similar triangles slant height SOLUTION sphere spherical polygon spherical triangle straight line surface tangent THEOREM trapezoid triangle ABC triedral vertex volume
Δημοφιλή αποσπάσματα
Σελίδα 168 - In any triangle, the square of the side opposite an acute angle is equal to the sum of the squares of the other two sides diminished by twice the product of one of those sides and the projection of the other upon that side.
Σελίδα 41 - In an isosceles triangle the angles opposite the equal sides are equal.
Σελίδα 38 - ... greater than the included angle of the second, then the third side of the first is greater than the third side of the second.
Σελίδα 35 - Any side of a triangle is less than the sum of the other two sides...
Σελίδα 242 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. D c A' D' Hyp. In triangles ABC and A'B'C', ZA = ZA'. To prove AABC = ABxAC. A A'B'C' A'B'xA'C' Proof. Draw the altitudes BD and B'D'.
Σελίδα 174 - In any triangle, the product of two sides is equal to the product of the segments of the third side formed by the bisector of the opposite angle plus the square of the bisector.
Σελίδα 172 - If from a point without a circle a tangent and a secant are drawn, the tangent is the mean proportional between the whole secant and its external segment.
Σελίδα 171 - If two chords intersect within a circle, the product of the segments of one is equal to the product of the segments of the other.
Σελίδα 192 - The areas of two rectangles having equal altitudes are to each other as their bases.
Σελίδα 65 - The perpendicular bisectors of the sides of a triangle meet in a point. 12. The bisectors of the angles of a triangle meet in a point. 13. The tangents to a circle from an external point are equal. 14...