Elementary Geometry: With Applications in MensurationA. S. Barnes & Company, 1850 - 216 Seiten |
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Ergebnisse 1-5 von 21
Seite 8
... Parallelogram , Area of a Triangle , · Properties of Right Angled Triangles , Area of the Trapezoid , Area of the Quadrilateral , Area of the Regular Polygon , Area of Irregular Figures , Of the Circle , · Area of an Ellipse , Area of ...
... Parallelogram , Area of a Triangle , · Properties of Right Angled Triangles , Area of the Trapezoid , Area of the Quadrilateral , Area of the Regular Polygon , Area of Irregular Figures , Of the Circle , · Area of an Ellipse , Area of ...
Seite 15
... parallelogram , which has its opposite sides parallel , but its angles not right angles . Fourth . The rhombus , which has all its sides equal , and the opposite sides parallel , without having its angles right angles . Fifth . The ...
... parallelogram , which has its opposite sides parallel , but its angles not right angles . Fourth . The rhombus , which has all its sides equal , and the opposite sides parallel , without having its angles right angles . Fifth . The ...
Seite 34
... parallelogram are equal each to each : and a diagonal divides the parallelogram into tux equal triangles . Let ABCD be any parallelogram , and DB a diagonal : then will the opposite sides and angles be equal to each other , each to each ...
... parallelogram are equal each to each : and a diagonal divides the parallelogram into tux equal triangles . Let ABCD be any parallelogram , and DB a diagonal : then will the opposite sides and angles be equal to each other , each to each ...
Seite 35
... parallelogram into two equal triangles . Cor . 1. If one angle of a parallelogram be a right angle , each of the angles will also be a right angle , and the parallelo- gram will be a rectangle . Cor . 2. Hence , also , the sum of either ...
... parallelogram into two equal triangles . Cor . 1. If one angle of a parallelogram be a right angle , each of the angles will also be a right angle , and the parallelo- gram will be a rectangle . Cor . 2. Hence , also , the sum of either ...
Seite 36
... parallelogram . A D B For , draw the diagonal BD . Then , the two triangles ABD , BDC , have all the sides of the ... parallelogram . THEOREM XXV . If two opposite sides of à quadrilateral are equal and parallel , the remaining sides ...
... parallelogram . A D B For , draw the diagonal BD . Then , the two triangles ABD , BDC , have all the sides of the ... parallelogram . THEOREM XXV . If two opposite sides of à quadrilateral are equal and parallel , the remaining sides ...
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Häufige Begriffe und Wortgruppen
12 feet ABCD adjacent angles allel altitude angles equal axis base multiplied bisect breadth called centre chains chord circle whose diameter circular sector circumference common cone consequently convex surface cube cylinder decimal dicular divide dodecagon draw entire surface equal altitudes equal Bk equal to half equivalent figure find the area frustum GEOMETRY half the arc half the product hence heptagon homologous sides hypothenuse included angle inscribed intersection length Let ABCD lower base measured by half Mensuration of Surfaces nonagon number of sides opposite angles outward angle parallelogram parallelopipedon pendicular pentagon perimeter perpen perpendicular plane prism PROBLEM quadrilateral radii radius rectangle regular polygon Required the area rhombus right angled triangle right angles Bk S-ABCDE segment slant height sphere square feet squares described straight line tangent THEOREM three sides trapezoid triangle ABC upper base viii
Beliebte Passagen
Seite 48 - After remarking that the mathematician positively knows that the sum of the three angles of a triangle is equal to two right angles...
Seite 10 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, each to each, the two triangles are equal in all respects.
Seite 58 - BD then A is said to have the same ratio to B, that C has to D ; or, the ratio of A to B is equal to the ratio of C to D.
Seite 12 - America, but know that we are alive, that two and two make four, and that the sum of any two sides of a triangle is greater than the third side.
Seite 118 - ... cylinder be cut by a plane parallel to the base, the section is a figure parallel and similar to the base. The one point a...
Seite 112 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Seite 162 - To find the area of a trapezoid. RULE. Multiply the sum of the parallel sides by the perpendicular distance between them, and then divide the product by two : the quotient will be the area (Bk.
Seite 149 - This pulyedrun may be considered as formed of pyramids, each having for its vertex the centre of the sphere, and for its base one of the faces of the polyedron.
Seite 119 - If a cone be cut by a plane parallel to the base, the section will be a circle.