Plane and Solid Geometry: Inductive Method |
Other editions - View all
Common terms and phrases
A B C D adjacent angles altitude axiom base bisect bisector call it Prop chord circle circular sector circumference circumscribed coincide Compare cone Construct convex cube cylinder deduction diagonals diameter diedral angles distance divided drawn equilateral equivalent EXERCISES exterior angle face angles feet figure frustum Geometry given line given point Hint homologous hypotenuse inches inscribed inscribed angle intersection isosceles Join locus measure middle points number of sides opposite parallel parallelogram parallelopiped Pass a plane pentagon perimeter perpendicular polyedron prism produced proof proportion PROPOSITION prove Prop pupil pyramid quadrilateral radii radius ratio rectangle regular polygon rhombus right angles segments solid sphere spherical polygon spherical triangle square straight angle straight line supplementary angles Suppose surface tangent tetraedron theorem trapezoid triangular prism triedral truth unequal vertex vertices volume Write Prop
Popular passages
Page 386 - Measures of Length 10 millimeters (mm.) = 1 centimeter (cm.) 10 centimeters = 1 decimeter (dm.) 10 decimeters = 1 meter (m.) 10 meters = 1 dekameter (Dm.) 10 dekameters = 1 hektometer (Hm.) 10 hektometers = 1 kilometer (Km.) 10 kilometers = 1 myriameter (Mm.) Measures of Surface 100 sq.
Page 389 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 124 - Proposition 7. 289. ff four quantities are in proportion, they are in proportion by composition and division; that is, the sum of the first and second is to their difference as the sum of the third and fourth is to their difference.
Page 229 - In any triangle, the square of the 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 upon that side.
Page 20 - 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.
Page 231 - Prove that the area of a triangle is equal to half the product of its perimeter by the radius of the inscribed circle.
Page 306 - If a pyramid is cut by a plane parallel to its base, the...
Page 387 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg...
Page 376 - S7rR = 4WR1. (789) Therefore, the area of the surface of a sphere is equal to the area of four great circles. 791. COR. 2. TJie areas of the surfaces of two spheres are to each other as the squares of their radii, or as the squares of their diameters.
Page 230 - After remarking that the mathematician positively knows that the sum of the three angles of a triangle is equal to two right angles...