Plane GeometryMacmillan, 1901 |
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Αποτελέσματα 1 - 5 από τα 100.
Σελίδα vii
... equal lines or equal angles in the same color , or if this is impracticable , mark them by equal vii viii SUGGESTIONS TO TEACHERS crossmarks ; denote parallel lines by.
... equal lines or equal angles in the same color , or if this is impracticable , mark them by equal vii viii SUGGESTIONS TO TEACHERS crossmarks ; denote parallel lines by.
Σελίδα 5
... equal parts called minutes , and a minute into sixty equal parts called seconds . Degrees , minutes , and seconds are expressed by symbols , as in 6 ° 50 ' 12 " . Read six degrees , fifty minutes , and twelve seconds . 38. Adjacent ...
... equal parts called minutes , and a minute into sixty equal parts called seconds . Degrees , minutes , and seconds are expressed by symbols , as in 6 ° 50 ' 12 " . Read six degrees , fifty minutes , and twelve seconds . 38. Adjacent ...
Σελίδα 6
... equal angles , find one angle ( a ) in degrees , ( b ) in right angles , and ( c ) in straight angles . 13. What kind of an angle is less than its supplement ? equal to its supplement ? greater than its supplement ? 14. Four lines , AO ...
... equal angles , find one angle ( a ) in degrees , ( b ) in right angles , and ( c ) in straight angles . 13. What kind of an angle is less than its supplement ? equal to its supplement ? greater than its supplement ? 14. Four lines , AO ...
Σελίδα 8
... equal to the same or equal things are equal to each other . 2. If equals be added to equals , the sums are equal . 3. If equals be subtracted from equals , the remainders are equal . 4. If equals be added to unequals , the sums are unequal ...
... equal to the same or equal things are equal to each other . 2. If equals be added to equals , the sums are equal . 3. If equals be subtracted from equals , the remainders are equal . 4. If equals be added to unequals , the sums are unequal ...
Σελίδα 9
... equal . A B D F Hyp . Angles ABC and DEF are straight angles . To prove LABC = Z DEF . Proof . Apply DEF to ≤ ABC ... equal . Q.E.D. ( Ax . 7. ) 54. At a given point in a given line there can be but one perpendicular to the line . ( 53 ) ...
... equal . A B D F Hyp . Angles ABC and DEF are straight angles . To prove LABC = Z DEF . Proof . Apply DEF to ≤ ABC ... equal . Q.E.D. ( Ax . 7. ) 54. At a given point in a given line there can be but one perpendicular to the line . ( 53 ) ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
AABC ABCD adjacent angles algebraic altitude angle equal angle formed angles are equal apothem base angle bisect bisector central angle circumference construct a triangle decagon diagonals diagram for Prop diameter draw drawn equiangular equiangular polygon equilateral triangle equivalent exterior angle find a point Find the area given circle given line given point given triangle HINT homologous sides hypotenuse inscribed isosceles triangle joining the midpoints line joining mean proportional measured by arc median opposite sides parallel lines parallelogram perimeter perpendicular perpendicular-bisector point equidistant produced proof is left PROPOSITION prove Proof proving the equality quadrilateral radii rectangle regular hexagon regular polygon rhombus right angle right triangle SCHOLIUM School secant segments side equal similar polygons similar triangles straight angle straight line tangent THEOREM third side transversal trapezoid triangle ABC triangle are equal vertex vertical angle
Δημοφιλή αποσπάσματα
Σελίδα 148 - If two chords intersect within a circle, the product of the segments of one is equal to the product of the segments of the other.
Σελίδα 180 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. B' ADC A' D' C' Hyp. In triangles ABC and A'B'C', ZA = ZA'.
Σελίδα 45 - If two triangles have two sides of one equal respectively to two sides of the other, but the included angle of the first triangle greater than the included angle of the second, then the third side of the first is greater than the third side of the second.
Σελίδα 31 - The median to the base of an isosceles triangle is perpendicular to the base.
Σελίδα 209 - The area of a regular polygon is equal to onehalf the product of its apothem and perimeter.
Σελίδα 130 - If a line divides two sides of a triangle proportionally, it is parallel to the third side.
Σελίδα 71 - The midpoints of two opposite sides of a quadrilateral and the midpoints of the diagonals determine the vertices of a parallelogram. * Ex.
Σελίδα 26 - If one angle of a triangle is equal to the sum of the other two, the triangle can be divided into two isosceles triangles.
Σελίδα 190 - The areas of two similar triangles are to each other as the squares of any two homologous sides.
Σελίδα 56 - A line which joins the midpoints of two sides of a triangle is parallel to the third side and equal to half of it.