Introduction to Geometry: A Manual of Exercises for BeginnersAllyn and Bacon, 1904 - 137 من الصفحات |
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ABCD altitude angle equal angle-bisectors apothem axis of symmetry base Bisect bisector called centimetre centre centre of symmetry Chart VII circle circumference compasses Construct a triangle corner curves decagon degrees determine the length developed surface diagram diameter distance divide Draw a triangle Draw to scale drawn equilateral triangle Exercise 36 feet long feet wide FGCH Find the area Find the length folding given height hypotenuse inches interior angles isosceles triangle kind latitude locate medians middle point miles number of diagonals obtuse opposite sides parallel lines parallelogram perpendicular piece of paper placed problem protractor quadrilateral radius ratio rectangle regular hexagon regular octagon regular pentagon regular polygon relation exists represent respectively rhombus right angles right triangle rods ruler scale the developed Show sides equal solid 1 Chart square straight line surface of solid trapezoid triangle ABC Fig vertex vertices yards
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الصفحة 64 - that the flag of the thirteen United States be thirteen stripes, alternate red and white; that the union be thirteen stars, white in a blue field, representing a new constellation.
الصفحة 36 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
الصفحة 67 - If two triangles have two sides and the included angle of one equal respectively to two sides and the included angle of the other, the triangles are equal.
الصفحة 67 - Two triangles are congruent if * (a) two sides and the included angle of one are equal, respectively, to two sides and the included angle of the other...
الصفحة 88 - Therefore, the specific gravity of a solid or a liquid body is the ratio of its weight to the weight of an equal volume of water...
الصفحة 88 - POPULATION. first census of the United States was taken in 1790, and there has been one taken every tenth year since that time. The following table shows the absolute number of inhabitants, " excluding Indians not taxed," at each decennial period, and also the rate per cent of increase during the previous ten years : — Year.
الصفحة 133 - ... 60°, and the shorter diagonal is 16 ft. Find the area. 189. The acute angles of a rhombus are each equal to 60°, and the longer diagonal is 108 yds. Find the area. 190. Two vessels start at the same time from the same place, and sail, one due north, the other due east, at the rates of 6 and 8 mi. per hour respectively. How far apart will they be at the end of 6 hrs. ? 191. What distance will a man save, if, instead of walking along the sides of a rectangular field 640 yds. long and 480 yds....
الصفحة 38 - The side of a right triangle opposite the right angle is called the hypotenuse. The other two sides are called legs.
الصفحة 102 - A. semicircle is half a circle. Read four segments each larger than a semicircle. The part of the circle between the two radii of, oi, and the arc/ i, is called a " sector." Read four sectors each less than one-fourth of a circle.* A sector is a part of a circle bounded by two radii and an arc. What part of the whole circle is the sector/ oh? It is called a
الصفحة 7 - A(B{C( the direction around the boundary from vertex A{ to vertex Bi to vertex C'i is opposite to the direction in which the hands of a clock move (counterclockwise direction).