Concrete Geometry for BeginnersAmerican Book Company, 1895 - 201 σελίδες |
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Σελίδα 4
... rhombus , trapezoid and trapezium , are separated in presentation , with the hope that the first one presented will have made an ineffaceable impression of itself upon the mind of the pupil before the other is received . Although ...
... rhombus , trapezoid and trapezium , are separated in presentation , with the hope that the first one presented will have made an ineffaceable impression of itself upon the mind of the pupil before the other is received . Although ...
Σελίδα 97
Adelia Roberts Hornbrook. CHAPTER VIII . QUADRILATERALS . TRAPEZIUM . TRAPEZOID . RHOMBOID . RHOMBUS . 1. Draw a quadrilateral having no two sides parallel and write its name upon it . NOTE . A quadrilateral having no two sides parallel ...
Adelia Roberts Hornbrook. CHAPTER VIII . QUADRILATERALS . TRAPEZIUM . TRAPEZOID . RHOMBOID . RHOMBUS . 1. Draw a quadrilateral having no two sides parallel and write its name upon it . NOTE . A quadrilateral having no two sides parallel ...
Σελίδα 108
... rhombus ? NOTE . A rhomboid whose sides are all equal is called a Rhombus . 83. Draw two triangles each having an angle of 40 ° included by sides each 5 inches . Place the sides opposite the given angles together , and find the ...
... rhombus ? NOTE . A rhomboid whose sides are all equal is called a Rhombus . 83. Draw two triangles each having an angle of 40 ° included by sides each 5 inches . Place the sides opposite the given angles together , and find the ...
Σελίδα 109
... rhombus ? 93. What is the sum of all the angles of a rhombus ? Quote authority . 94. How does the number of degrees in all the angles of a rhombus compare with the number in all the angles of a triangle ? 95. One side of the rhombus ...
... rhombus ? 93. What is the sum of all the angles of a rhombus ? Quote authority . 94. How does the number of degrees in all the angles of a rhombus compare with the number in all the angles of a triangle ? 95. One side of the rhombus ...
Σελίδα 111
... rhombus thus formed ? Its short diagonal ? What is the area of the rec- E tangle ? The area of the rhombus is what fractional part of the area of the rectangle ? 110. The short diagonal of a rhombus is 10 inches and the long diagonal is ...
... rhombus thus formed ? Its short diagonal ? What is the area of the rec- E tangle ? The area of the rhombus is what fractional part of the area of the rectangle ? 110. The short diagonal of a rhombus is 10 inches and the long diagonal is ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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.