Plane and Solid GeometryCentury Company, 1906 - 418 σελίδες |
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Αποτελέσματα 1 - 5 από τα 35.
Σελίδα xi
... called to the large number of numerical exercises . The author believes that numerical exercises are the best means at our command for impressing geometric truths upon the mind of the student . These exercises are not given for the ...
... called to the large number of numerical exercises . The author believes that numerical exercises are the best means at our command for impressing geometric truths upon the mind of the student . These exercises are not given for the ...
Σελίδα 6
... called a curve . B Scholium . A straight line changes its direction at no point ; a curved line changes its direction at every point . 50 A broken line is a line composed of different straight lines , as ABCD . 51 A mixed line is a line ...
... called a curve . B Scholium . A straight line changes its direction at no point ; a curved line changes its direction at every point . 50 A broken line is a line composed of different straight lines , as ABCD . 51 A mixed line is a line ...
Σελίδα 10
... called a degree . The degree is divided into sixty equal parts , called minutes . The minute is divided into sixty equal parts , called seconds . Degrees , minutes , and seconds are designated respectively by the symbols ,, " . Thus ...
... called a degree . The degree is divided into sixty equal parts , called minutes . The minute is divided into sixty equal parts , called seconds . Degrees , minutes , and seconds are designated respectively by the symbols ,, " . Thus ...
Σελίδα 21
... called " reductio ad absurdum . " The truth of the theorem is established by proving that the supposition that the theorem is not true leads to an absurdity . Thus , we suppose that the lines a and b are not parallel , i.e. that they ...
... called " reductio ad absurdum . " The truth of the theorem is established by proving that the supposition that the theorem is not true leads to an absurdity . Thus , we suppose that the lines a and b are not parallel , i.e. that they ...
Σελίδα 31
... called the base angles . 148 The vertex of a triangle is the vertex of the vertical angle . Thus , in the triangle GHK , if HK is taken as the base , then angle G is the vertical angle , the point G is the vertex of the H triangle , and ...
... called the base angles . 148 The vertex of a triangle is the vertex of the vertical angle . Thus , in the triangle GHK , if HK is taken as the base , then angle G is the vertical angle , the point G is the vertex of the H triangle , and ...
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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...