Concrete Geometry for BeginnersAmerican Book Company, 1895 - 201 σελίδες |
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Αποτελέσματα 1 - 5 από τα 21.
Σελίδα 36
... Quote a geometric principle which is applicable . 83. Divide a circumference into four equal arcs by diameters . Join the extremities of each arc by a chord . Superpose and show the truth of the following principle : PRINCIPLE 11. In ...
... Quote a geometric principle which is applicable . 83. Divide a circumference into four equal arcs by diameters . Join the extremities of each arc by a chord . Superpose and show the truth of the following principle : PRINCIPLE 11. In ...
Σελίδα 39
... Quote the geometric principle by which you can tell the number of degrees in angle BGH when the number in angle EGB is given . 103. Angle EGB being 50 ° , how many degrees has the angle AGH ? Quote the geometric principle . 104. Angle ...
... Quote the geometric principle by which you can tell the number of degrees in angle BGH when the number in angle EGB is given . 103. Angle EGB being 50 ° , how many degrees has the angle AGH ? Quote the geometric principle . 104. Angle ...
Σελίδα 66
... 13. In the isosceles triangle ABC the angle BAC is 70 ° . How many degrees are there in each exterior angle formed by prolonging the side AC ? Quote principle . B Д NOTE . - An angle formed by prolonging one side 66 TRIANGLES AND LINES .
... 13. In the isosceles triangle ABC the angle BAC is 70 ° . How many degrees are there in each exterior angle formed by prolonging the side AC ? Quote principle . B Д NOTE . - An angle formed by prolonging one side 66 TRIANGLES AND LINES .
Σελίδα 68
... Quote geometric principles . 22. How many degrees are there in each of the angles at C ? Give reasons . 23. How many degrees are there in angle BAC ? In angle ABC ? How many are there in each angle of each equilateral triangle ? How ...
... Quote geometric principles . 22. How many degrees are there in each of the angles at C ? Give reasons . 23. How many degrees are there in angle BAC ? In angle ABC ? How many are there in each angle of each equilateral triangle ? How ...
Σελίδα 70
... Quote the geometric principle which tells how many degrees there are in the sum of the angles a , b , and c , AB being a straight line . A V B 44. Draw and cut out a triangle , dividing each 70 TRIANGLES AND LINES . 43.
... Quote the geometric principle which tells how many degrees there are in the sum of the angles a , b , and c , AB being a straight line . A V B 44. Draw and cut out a triangle , dividing each 70 TRIANGLES AND LINES . 43.
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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.