Plane GeometryScott, Foresman, 1915 - 277 σελίδες |
Περιεχόμενα
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Άλλες εκδόσεις - Προβολή όλων
Plane Geometry: (Revised) Claude Irwin Palmer,Daniel Pomeroy Taylor,Eva Crane Farnum Πλήρης προβολή - 1924 |
Συχνά εμφανιζόμενοι όροι και φράσεις
AABC ABCD acute angle ADEF adjacent angles altitude angle equal angles are equal base bisects chord circumference circumscribed coincide Construct a square corresponding sides decagon diagonals diameter distance divided Draw equal angles equal respectively equal sides equilateral triangle EXERCISES exterior external point figure Find the area Find the length geometric given circle given line given point hexagon hypotenuse inch inscribed angle interior angles intersecting isosceles trapezoid isosceles triangle median middle point number of degrees number of sides parallel lines parallelogram pentagon perigon perimeter perpendicular bisector plane Proof protractor Prove quadrilateral radii radius ratio rectangle reflex angle regular inscribed regular polygon rhombus right angle right triangle secant segment semicircle Show shown sides equal similar triangles straight angle supplementary surface tangent Theorem transversal triangle ABC triangles equal vertex angle vertices
Δημοφιλή αποσπάσματα
Σελίδα 179 - The straight line joining the middle points of two sides of a triangle is parallel to the third side, and equal to half of it.
Σελίδα 43 - If a straight line is perpendicular to one of two parallel lines, it is perpendicular to the other also.
Σελίδα 17 - 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 145 - In any triangle, the square of a 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 side upon it.
Σελίδα 141 - The square described on the hypotenuse of a right triangle is equivalent to the sum of the squares on the other two sides.
Σελίδα 79 - Two triangles are congruent if two sides and the included angle of one are equal respectively to two sides and the included angle of the other.
Σελίδα 131 - ... any two parallelograms are to each other as the products of their bases by their altitudes. PROPOSITION V. THEOREM. 403. The area of a triangle is equal to half the product of its base by its altitude.
Σελίδα 89 - Theorem. In the same circle or in equal circles, equal chords are equidistant from the center; and of two unequal chords the greater is nearer the center. Given two equal © M, M ' , with chords AB = A'B', AE > A'B', and OC, OD, O'C' ±'s from center 0 to AB, AE, and from center O
Σελίδα 83 - ... the third side of the first is greater than the third side of the second.
Σελίδα 188 - If two chords intersect in a circle, the product of the segments of one is equal to the product of the segments of the other.