Essentials of GeometryS.C. Griggs, 1883 - 267 σελίδες |
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Σελίδα 102
... : I. TABLE OF LINEAR MEASURES . 12 Inches make 1 Foot . 3 Feet make 1 Yard . 5 Yards make 1 Rod . 40 Rods make 1 Furlong . 8 Furlongs make 1 Mile . COFFEGE II . TABLE OF SURFACE MEASURES . 144 Square Inches 102 PLANE GEOMETRY .
... : I. TABLE OF LINEAR MEASURES . 12 Inches make 1 Foot . 3 Feet make 1 Yard . 5 Yards make 1 Rod . 40 Rods make 1 Furlong . 8 Furlongs make 1 Mile . COFFEGE II . TABLE OF SURFACE MEASURES . 144 Square Inches 102 PLANE GEOMETRY .
Σελίδα 103
... Feet make 1 Square Yard . 30 Square Yards make 1 Square Rod . 40 Square Rods make 1 Rood . 4 Roods make 1 Acre . 640 Acres make 1 Square Mile . THEOREM I. Parallelograms having equal bases and equal altitudes are equal . Let the ...
... Feet make 1 Square Yard . 30 Square Yards make 1 Square Rod . 40 Square Rods make 1 Rood . 4 Roods make 1 Acre . 640 Acres make 1 Square Mile . THEOREM I. Parallelograms having equal bases and equal altitudes are equal . Let the ...
Σελίδα 108
... feet ? 5. The area of a rhomboid is 968 , and the base 120 ; required the altitude . 6. The sides of a rectangle are 25 and 14 feet ; required to cut off an area of 154 square feet , by a line parallel to the shorter side . 7. A farmer ...
... feet ? 5. The area of a rhomboid is 968 , and the base 120 ; required the altitude . 6. The sides of a rectangle are 25 and 14 feet ; required to cut off an area of 154 square feet , by a line parallel to the shorter side . 7. A farmer ...
Σελίδα 109
... feet wide , and the distance from the level of the eaves to the summit of the roof is 8 feet ; how many square feet of lumber are required to board up the two ends ? b 11. The area of a triangle is equal to one- half the product of its ...
... feet wide , and the distance from the level of the eaves to the summit of the roof is 8 feet ; how many square feet of lumber are required to board up the two ends ? b 11. The area of a triangle is equal to one- half the product of its ...
Σελίδα 110
... feet 3 inches , and at the other 1 foot 6 inches , the length of the board being 16 feet . 3. The parallel sides of a trapezoid are 14 and 10 , and the distance between , 6 ; required the area of the triangle formed by producing the ...
... feet 3 inches , and at the other 1 foot 6 inches , the length of the board being 16 feet . 3. The parallel sides of a trapezoid are 14 and 10 , and the distance between , 6 ; required the area of the triangle formed by producing the ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
A B and C D ABCD adjacent angles angle equal apothem bisect central angles centre circle whose radius circumference coincide construct convex surface cylinder diagonals diameter distance divided draw drawn equal altitudes equal bases equal circles equally distant equiangular EXERCISES feet frustum generatrix given angle given circle given line given point greater Hence homologous sides hypotenuse included angle inscribed angle inscribed circle interior angles intersect isosceles triangle lune number of sides oblique parallel parallelogram parallelopiped perimeter perpendicular plane prism Prob proportional pyramid Q. E. D. Cor Q. E. F quadrilateral QUERIES radii ratio rectangle regular polygon right cone right triangle Scholium secant segments similar slant height sphere spherical triangle square straight line tangent triangle A B C vertex vertices
Δημοφιλή αποσπάσματα
Σελίδα 18 - if two triangles have two sides of the one equal to two sides of the...
Σελίδα 110 - 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 it.
Σελίδα 13 - If two triangles have two angles and the included side of the one, equal to two angles and the included side of the other, each to each, the two triangles will be equal.
Σελίδα 107 - 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, they are equal in all their parts.
Σελίδα 24 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Σελίδα 38 - If two sides of a quadrilateral are equal and parallel, the figure is a parallelogram.
Σελίδα 42 - If the product of two quantities is equal to the product of two others, two of them may be made the means, and the other two the extremes of a proportion. Let bc=ad.
Σελίδα 232 - In any spherical triangle, the greater side is opposite the greater angle ; and conversely, the greater angle is opposite the greater side.
Σελίδα 14 - In an isosceles triangle the angles opposite the equal sides are equal.
Σελίδα x - AXIOM is a self-evident truth ; such as, — 1. Things which are equal to the same thing, are equal to each other. 2. If equals be added to equals, the sums will be equal. 3. If equals be taken from equals, the remainders will be equal. 4. If equals be added to unequals, the sums will be unequal.