Concrete Geometry for BeginnersAmerican Book Company, 1895 - 201 σελίδες |
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Αποτελέσματα 1 - 5 από τα 45.
Σελίδα 11
... greater than a right angle . 25. Place the points of two pencils together in such a way as to make a right angle . Keeping the points together , separate the ends of the pencils more . What kind of an angle is formed by the pencils ? If ...
... greater than a right angle . 25. Place the points of two pencils together in such a way as to make a right angle . Keeping the points together , separate the ends of the pencils more . What kind of an angle is formed by the pencils ? If ...
Σελίδα 23
... greater than a semicircle is called a greater segment . A segment less than a semicircle is called a less segment . 34. Can three greater segments be cut from a circle ? 35. Which is the longer line , an arc or its chord ? State the ...
... greater than a semicircle is called a greater segment . A segment less than a semicircle is called a less segment . 34. Can three greater segments be cut from a circle ? 35. Which is the longer line , an arc or its chord ? State the ...
Σελίδα 24
... greater of two chords is at a less distance from the center . 44. With a given point as a center and with any radius describe a circle and cut it out . Draw a diameter , fold the circle along that line , and see if the two surfaces ...
... greater of two chords is at a less distance from the center . 44. With a given point as a center and with any radius describe a circle and cut it out . Draw a diameter , fold the circle along that line , and see if the two surfaces ...
Σελίδα 28
... greater arc is 3 times the less , how many degrees are there in each arc ? 13. If the angles ABD and DBC are equal , the lines BD and AC are in what relative position ? What kind of angles are ABD and DBC ? SUGGESTION . - See Chap . 1 ...
... greater arc is 3 times the less , how many degrees are there in each arc ? 13. If the angles ABD and DBC are equal , the lines BD and AC are in what relative position ? What kind of angles are ABD and DBC ? SUGGESTION . - See Chap . 1 ...
Σελίδα 33
... greater , an angle or its complement ? Explain . Which is the greater , an angle or its supple- ment ? 55. By how much does the supplement of an angle of 70 ° exceed its complement ? An angle of 80 ° ? Any angle of less than 90 ° ? 56 ...
... greater , an angle or its complement ? Explain . Which is the greater , an angle or its supple- ment ? 55. By how much does the supplement of an angle of 70 ° exceed its complement ? An angle of 80 ° ? Any angle of less than 90 ° ? 56 ...
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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.