Elements of Plane GeometryAmerican Book Company, 1901 - 247 σελίδες |
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Αποτελέσματα 1 - 5 από τα 15.
Σελίδα 7
... Limit , 340 Line , 4 curved , 7 straight , 6 Lines , parallel , 107 perpendicular , 16 Locus , 233 Material body , 1 Mean proportional , 404 Means , of a proportion , 404 Median of a triangle , 173 Minutes , of arc , 347 7 Mutually ...
... Limit , 340 Line , 4 curved , 7 straight , 6 Lines , parallel , 107 perpendicular , 16 Locus , 233 Material body , 1 Mean proportional , 404 Means , of a proportion , 404 Median of a triangle , 173 Minutes , of arc , 347 7 Mutually ...
Σελίδα 51
... limits must the third side lie ? 171. EXERCISE . Each side of a triangle is less than the semi- perimeter . 172. EXERCISE . The sum of the lines drawn from a point within a triangle to the three ver- tices is greater than the semi ...
... limits must the third side lie ? 171. EXERCISE . Each side of a triangle is less than the semi- perimeter . 172. EXERCISE . The sum of the lines drawn from a point within a triangle to the three ver- tices is greater than the semi ...
Σελίδα 81
... limit is there to the length of the given radius ? PROPOSITION II . THEOREM 252. A diameter divides a circle and also its circum- ference into two equal parts . B Let AB be a diameter of the circle whose center is 0 . To Prove that AB ...
... limit is there to the length of the given radius ? PROPOSITION II . THEOREM 252. A diameter divides a circle and also its circum- ference into two equal parts . B Let AB be a diameter of the circle whose center is 0 . To Prove that AB ...
Σελίδα 104
... limits does the length of the line joining their centers lie ? 334. EXERCISE . With a given radius describe a circle tangent to a given circle at a given point . [ Two solutions . ] 335. EXERCISE . What is the locus of the centers of ...
... limits does the length of the line joining their centers lie ? 334. EXERCISE . With a given radius describe a circle tangent to a given circle at a given point . [ Two solutions . ] 335. EXERCISE . What is the locus of the centers of ...
Σελίδα 105
... limit of a variable is a constant , from which the variable may be made to differ by less than any assignable quantity , but which it can never equal . Suppose a point to move from 4 toward B , under the E condition that in the first ...
... limit of a variable is a constant , from which the variable may be made to differ by less than any assignable quantity , but which it can never equal . Suppose a point to move from 4 toward B , under the E condition that in the first ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
AABC AB² ABC and DEF AC² adjacent angles altitudes angle formed angles equal apothem arc ABC arcs intercepted BC² bisector chord circles are tangent circum circumference Construct a triangle COROLLARY DEFINITION Describe a circle diagonals diameter divided EFGH equal circles equally distant equiangular polygon equilateral triangle EXERCISE exterior angles figure given angle given circle given line given point homologous homologous sides hypotenuse inscribed angle isosceles triangle joining the middle Let ABC Let To Prove line joining mean proportional medians meet middle points mutually equiangular opposite sides parallelogram passes perimeter perpendicular point of intersection prolonged PROPOSITION Prove ABCD Prove Proof quadrilateral ratio rectangle regular inscribed regular polygon rhombus right angles right-angled triangle SCHOLIUM secants segments Show similar polygons similar triangles straight line tangent THEOREM trapezoid triangle ABC unequal vertex vertical angle Whence ΔΑΒΟ ᎠᏴ
Δημοφιλή αποσπάσματα
Σελίδα 68 - The straight line joining the middle points of two sides of a triangle is parallel to the third side, and equal to half of it.
Σελίδα 163 - 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 129 - To express that the ratio of A to B is equal to the ratio of C to D, we write the quantities thus : A : B : : C : D ; and read, A is to B as C to D.
Σελίδα 120 - If a quadrilateral is circumscribed about a circle, the sum of one pair of opposite sides is equal to the sum of the other pair.
Σελίδα 72 - The lines joining the middle points of the opposite sides of a quadrilateral bisect each other.
Σελίδα 203 - In any obtuse triangle, the square of the side opposite the obtuse angle is equal to the sum of the squares of the other two sides, increased by twice the product of one of these sides and the projection of the other side upon it.
Σελίδα 15 - 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 221 - Tangents to a circle at the middle points of the arcs subtended by the sides of a regular inscribed polygon...
Σελίδα 11 - PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the center.
Σελίδα 61 - If the diagonals of a quadrilateral bisect each other, the figure is a parallelogram.