Plane Geometry: With Problems and ApplicationsAllyn and Bacon, 1910 - 280 Seiten |
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Seite 10
... triangle . The segments are the sides of the triangle , and the points are its vertices . The symbol A is used for the word triangle . B α C b Each angle of a triangle has one side . opposite and two sides adjacent to it . Similarly ...
... triangle . The segments are the sides of the triangle , and the points are its vertices . The symbol A is used for the word triangle . B α C b Each angle of a triangle has one side . opposite and two sides adjacent to it . Similarly ...
Seite 11
... triangle is called a right triangle if it has one right angle , an obtuse triangle if it has one obtuse angle , an acute triangle if all its angles are acute . Select each kind from the figures on this page . The side of a right ...
... triangle is called a right triangle if it has one right angle , an obtuse triangle if it has one obtuse angle , an acute triangle if all its angles are acute . Select each kind from the figures on this page . The side of a right ...
Seite 12
... triangle also isosceles ? Is every isosceles triangle also equilateral ? 2. Is a right triangle ever isosceles ? Is an obtuse triangle ever isosceles ? Draw figures to illustrate your answers . 3. In the figure on page 4 determine by ...
... triangle also isosceles ? Is every isosceles triangle also equilateral ? 2. Is a right triangle ever isosceles ? Is an obtuse triangle ever isosceles ? Draw figures to illustrate your answers . 3. In the figure on page 4 determine by ...
Seite 13
... triangles are equal . B 30 . EXERCISES . 1. Using tracing paper , draw triangles congruent to the triangles MIN , NHP , OAB , OFE , OKL , UKV , OGL on page 4 , and by ap- plying the pattern of each triangle to each of the others ...
... triangles are equal . B 30 . EXERCISES . 1. Using tracing paper , draw triangles congruent to the triangles MIN , NHP , OAB , OFE , OKL , UKV , OGL on page 4 , and by ap- plying the pattern of each triangle to each of the others ...
Seite 14
... triangles are congruent by making a pattern of one and applying it to the other is often inconvenient or impossible ... triangles . 32 . First Test for Congruence of Triangles . If two triangles have two sides and the included angle of ...
... triangles are congruent by making a pattern of one and applying it to the other is often inconvenient or impossible ... triangles . 32 . First Test for Congruence of Triangles . If two triangles have two sides and the included angle of ...
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Häufige Begriffe und Wortgruppen
ABCD accompanying design altitude apothem arcs area bounded axes of symmetry axioms base and altitude bisectors bisects central angle chord circumference congruent corresponding sides definite diagonal diameter divided Draw drawn equal angles equal circles equilateral triangle EXERCISES exterior angle feet Find the area Find the locus Find the radius fixed point geometric Give the proof given circle given point given triangle greater Hence hypotenuse inscribed intersect isosceles triangle length line-segment measure meet middle points number of sides Outline of Proof parallel lines parallelogram perimeter perpendicular proof in full Prove quadrilateral radii ratio rectangle regular dodecagon regular hexagon regular octagon regular polygon regular triangle respectively rhombus right angle right triangle secant semicircle Show shown straight angle straight line strip subtend SUGGESTION tangent THEOREM tile trapezoid triangle ABC unit vertex vertices width
Beliebte Passagen
Seite 215 - If two triangles have two sides of the one equal to two sides of the other...
Seite 35 - An exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Seite 22 - Any side of a triangle is less than the sum of the other two sides...
Seite 113 - Sines that the bisector of an angle of a triangle divides the opposite side into parts proportional to the adjacent sides.
Seite 273 - This textbook may be borrowed for two weeks, with the privilege of renewing it once. A fine of five cents a day is incurred by failure to return a book on the date when it is due. The Education Library is open from 9 to 5 daily except Saturday when it closes at 12.30.
Seite 52 - 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 46 INTERCEPTS BY PARALLEL LINES.
Seite 174 - The areas of two regular polygons of the same number of sides are to each other as the squares of their radii, or as the squares of their apothems.
Seite 153 - The formula states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the base and altitude.
Seite 219 - Find the locus of a point such that the difference of the squares of its distances from two fixed points is a constant.
Seite 202 - The area of a rectangle is equal to the product of its base and altitude.