Plane and Solid GeometryAmerican Book Company, 1899 - 384 σελίδες |
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Αποτελέσματα 1 - 5 από τα 73.
Σελίδα 83
... Diameter of the circle . E AD and EC , Fig . 1 , are diameters of the circle AEDC . 177. Any part of a circumference is called an Arc . D FIG . 1 . B The curved lines between A and B , and between A and E , Fig . 1 , are arcs of the ...
... Diameter of the circle . E AD and EC , Fig . 1 , are diameters of the circle AEDC . 177. Any part of a circumference is called an Arc . D FIG . 1 . B The curved lines between A and B , and between A and E , Fig . 1 , are arcs of the ...
Σελίδα 85
... diameters ; draw several chords of the circle . How does the diameter compare in length with any other chord ? How does the diameter divide the circle ? The circumference ? 2. How do two arcs of the same circle , or of equal circles ...
... diameters ; draw several chords of the circle . How does the diameter compare in length with any other chord ? How does the diameter divide the circle ? The circumference ? 2. How do two arcs of the same circle , or of equal circles ...
Σελίδα 86
William James Milne. Theorem . A diameter of a circle is greater than any other chord , and bisects the circle and its circumference . Data : A circle whose center is 0 ; any diameter , as AB ; and any other chord , as EF . C To prove 1 ...
William James Milne. Theorem . A diameter of a circle is greater than any other chord , and bisects the circle and its circumference . Data : A circle whose center is 0 ; any diameter , as AB ; and any other chord , as EF . C To prove 1 ...
Σελίδα 91
... diameter of a circle bisects a chord , how does it divi tended arc ? In what direction does it extend with reference to t 188. If a diameter of a circle bisects an arc , how does it divide t of the arc ? What is its direction with ...
... diameter of a circle bisects a chord , how does it divi tended arc ? In what direction does it extend with reference to t 188. If a diameter of a circle bisects an arc , how does it divide t of the arc ? What is its direction with ...
Σελίδα 93
... diameter , or a diameter produced ? Ex . 193. If two chords of a circle cut each other and make equal angles with the straight line which joins their point of intersection with the center , how do the chords compare in length ? Ex . 194 ...
... diameter , or a diameter produced ? Ex . 193. If two chords of a circle cut each other and make equal angles with the straight line which joins their point of intersection with the center , how do the chords compare in length ? Ex . 194 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD adjacent angles altitude angle formed angles are equal angles compare apothem arc intercepted base bisector bisects called central angle chord circle whose center circumference circumscribed compare in length Construct a triangle Data diagonals diameter dihedral angles distance divide equal circles equidistant equilateral triangle equivalent exterior extremities Find the locus frustum given line given point given straight line Hence homologous homologous sides hypotenuse inscribed angle interior angles intersecting isosceles trapezoid isosceles triangle line drawn measured by arc middle point number of sides opposite sides parallel lines parallelogram parallelopiped pass perimeter perpendicular plane prism produced Proof proportion prove pyramid Q.E.D. Proposition quadrilateral radii radius ratio rect rectangle formed regular polygon respectively rhombus right angles right triangle secant segment similar sphere spherical triangle subtended surface tangent Theorem transversal trapezoid triangle ABC triangles are equal trihedral vertex vertical angle
Δημοφιλή αποσπάσματα
Σελίδα 103 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 147 - Sines that the bisector of an angle of a triangle divides the opposite side into parts proportional to the adjacent sides.
Σελίδα 65 - The line joining the middle points of two sides of a triangle is parallel to the third side and equal to half of the third side.
Σελίδα 45 - After remarking that the mathematician positively knows that the sum of the three angles of a triangle is equal to two right angles...
Σελίδα 62 - From 56 and 57 the pupils should learn that two triangles are equal in every respect (a) when two sides and the included angle of one are equal to two sides and the included angle of the other...
Σελίδα 59 - If the opposite sides of a quadrilateral are equal, the figure is a parallelogram.
Σελίδα 81 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Σελίδα 45 - In an isosceles triangle the angles opposite the equal sides are equal.
Σελίδα 31 - If two parallel lines are cut by a third straight line, the sum of the two interior angles on the same side of the secant line is equal to two right angles.
Σελίδα 88 - In the same circle, or in equal circles, equal chords are equally distant from the center; and, conversely, chords equally distant from the center are equal.