Elementary GeometryJ.B. Lippincott Company, 1893 |
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Αποτελέσματα 1 - 5 από τα 55.
Σελίδα 14
... right - angled at N. The side MP , opposite to the right angle , is called the hypotenuse . The base of a triangle is the side upon which it is supposed to stand . In general , any side may be 14 ELEMENTS OF GEOMETRY .
... right - angled at N. The side MP , opposite to the right angle , is called the hypotenuse . The base of a triangle is the side upon which it is supposed to stand . In general , any side may be 14 ELEMENTS OF GEOMETRY .
Σελίδα 15
... opposite to it is called the vertical angle , and its angular point A the vertex of the triangle . The perpen- dicular AD let fall from the vertex upon the base is then called the altitude of the triangle . D 7. Definition . Equal ...
... opposite to it is called the vertical angle , and its angular point A the vertex of the triangle . The perpen- dicular AD let fall from the vertex upon the base is then called the altitude of the triangle . D 7. Definition . Equal ...
Σελίδα 20
... opposite ( or vertical ) angles are equal . Let AB and CD intersect in O ; then will the opposite , or vertical , angles AOC and BOD be equal . For each of these angles is , by Proposi- B X tion III . , the supplement of the same angle ...
... opposite ( or vertical ) angles are equal . Let AB and CD intersect in O ; then will the opposite , or vertical , angles AOC and BOD be equal . For each of these angles is , by Proposi- B X tion III . , the supplement of the same angle ...
Σελίδα 21
... opposite to the equal sides . PROPOSITION VII . - THEOREM . 22. Two triangles are equal when a side and the two adjacent angles of the one are respectively equal to a side and the two adjacent angles of the other . In the triangles ABC ...
... opposite to the equal sides . PROPOSITION VII . - THEOREM . 22. Two triangles are equal when a side and the two adjacent angles of the one are respectively equal to a side and the two adjacent angles of the other . In the triangles ABC ...
Σελίδα 22
... opposite the equal sides are equal . Let AB and AC be the equal sides of the isosceles triangle ABC ; then the angles B and C are equal . Through the vertex A draw a line AD , bisect- ing the angle BAC , and meeting the side BC at D ...
... opposite the equal sides are equal . Let AB and AC be the equal sides of the isosceles triangle ABC ; then the angles B and C are equal . Through the vertex A draw a line AD , bisect- ing the angle BAC , and meeting the side BC at D ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD adjacent angles altitude angle BAC angles are equal apothem bisects centre chord coincide common cone construct convex Corollary cylinder Definition diagonal diameter dicular diedral angle distance divided draw equal circles equally distant equilateral equivalent Exercise find the locus frustum given circle given line given point given straight line greater Hence hypotenuse included angle inscribed angle intercepted arcs isosceles triangle lateral area lateral edges mean proportional middle point number of sides parallel lines parallelogram parallelopiped pass a plane pendicular perimeter perpen perpendicular plane MN plane passed polyedral angle Proposition VI Proposition VII quadrilateral radii radius ratio rectangle regular inscribed regular polygon respectively equal right angles right triangle Scholium secant secant line segment similar slant height sphere spherical polygon spherical triangle square surface tangent tetraedron Theorem triangle ABC triangles are equal triangular prism triedral upper base vertex volume
Δημοφιλή αποσπάσματα
Σελίδα 127 - The area of a rectangle is equal to the product of its base and altitude.
Σελίδα 196 - If a straight line is perpendicular to each of two straight lines at their point of intersection, it is perpendicular to the plane of those lines.
Σελίδα 131 - Two triangles having 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.
Σελίδα 245 - A truncated triangular prism is equivalent to the sum of three pyramids whose common base is the base of the prism, and whose vertices are the three vertices of the inclined section.
Σελίδα 278 - A lune is to the, surface of the sphere as the angle of the lune is to four right angles. Let...
Σελίδα 111 - The square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the other two sides.
Σελίδα 48 - The three perpendiculars from the vertices of a triangle to the opposite sides meet in the same point.
Σελίδα 57 - A tangent to a circle is perpendicular to the radius drawn to the point of contact.
Σελίδα 34 - The sum of the three angles of any triangle is equal to two right angles.