Concrete Geometry for BeginnersAmerican Book Company, 1895 - 201 σελίδες |
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Αποτελέσματα 1 - 5 από τα 27.
Σελίδα 15
... diagonal from the point A. NOTE . A Diagonal of a plane figure is a line drawn from the vertex of one angle to the vertex of another angle which is not con- secutive . 69. How many diagonals can be drawn from the point A ? What ...
... diagonal from the point A. NOTE . A Diagonal of a plane figure is a line drawn from the vertex of one angle to the vertex of another angle which is not con- secutive . 69. How many diagonals can be drawn from the point A ? What ...
Σελίδα 16
Adelia Roberts Hornbrook. 71. How many diagonals can be drawn in a triangle ? Give the reason for your answer . 72. In the triangle ABC , which is the longer , AC or ABC ? What geometric principle states that fact in a general way ...
Adelia Roberts Hornbrook. 71. How many diagonals can be drawn in a triangle ? Give the reason for your answer . 72. In the triangle ABC , which is the longer , AC or ABC ? What geometric principle states that fact in a general way ...
Σελίδα 76
... inches each way and its diagonal . What kind of triangles are formed ? Show the base and altitude of each . What part of the square is each ? What is the area of each ? 87. Draw a rectangle 8 inches by 6 inches and 76 TRIANGLES AND LINES .
... inches each way and its diagonal . What kind of triangles are formed ? Show the base and altitude of each . What part of the square is each ? What is the area of each ? 87. Draw a rectangle 8 inches by 6 inches and 76 TRIANGLES AND LINES .
Σελίδα 77
... diagonal . What kind of triangles are formed , and what is the area of each ? 88. Is it true that the area of a right triangle is equal to one half that of the rectangle having the same base and altitude , or that it equals one half the ...
... diagonal . What kind of triangles are formed , and what is the area of each ? 88. Is it true that the area of a right triangle is equal to one half that of the rectangle having the same base and altitude , or that it equals one half the ...
Σελίδα 79
... diagonal , making the triangle DBC . Join F , a point on the upper base , with the extremities of the lower base , making the triangle DFC . D What kind of a triangle is each and which is the greatest ? Give reasons . 103. CD , 4 inches ...
... diagonal , making the triangle DBC . Join F , a point on the upper base , with the extremities of the lower base , making the triangle DFC . D What kind of a triangle is each and which is the greatest ? Give reasons . 103. CD , 4 inches ...
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12 inches 20 inches 9 inches altitude angle ABC angles formed apothem arc BC area and perimeter base angle bisects chord circle whose diameter circle whose radius circumference complementary angles contains cube decagon decimeters diagonal divided Draw a circle Draw a rectangle edge equal sides equilateral triangle exterior angles Find each side find its area Find the area Find the length Find the number Find the perimeter Find the ratio Find the sum geometric principle greater homologous sides hypotenuse inches long inches longer inclosed inscribed inscribed angle interior isosceles triangle longer sides meters middle point millimeters NOTE number of degrees parallel parallelogram parallelopiped pentagon perim perpendicular plane figure radii regular hexagon regular polygon rhomboid rhombus right angle right triangle scalene triangle sector semicircle shorter sides show the truth square feet square inches straight line surface tangent trapezium trapezoid triangle whose base twice vertex vertical angle width
Δημοφιλή αποσπάσματα
Σελίδα 82 - 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.
Σελίδα 20 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Σελίδα 173 - The square of the sum of two numbers is equal to the square of the first, plus twice the product of the first and the second, plus the square of the second.
Σελίδα 177 - Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides.
Σελίδα 101 - Hence, the area of a trapezoid is equal to the product of its altitude by the line connecting the middle points of the sides which are not parallel.
Σελίδα 132 - A Polygon of three sides is called a Triangle; of four sides, a Quadrilateral; of five sides, a Pentagon ; of six sides, a Hexagon, etc.