Plane and Solid GeometryCentury Company, 1906 - 418 σελίδες |
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Αποτελέσματα 1 - 5 από τα 98.
Σελίδα x
... find time to work all these exercises . The judgment of the teacher , guided by local conditions , must be depended upon to make suitable selections . The great value of original work on the part of the student is now universally ...
... find time to work all these exercises . The judgment of the teacher , guided by local conditions , must be depended upon to make suitable selections . The great value of original work on the part of the student is now universally ...
Σελίδα 18
... Find the complement of an angle of 27 ° . 2 Find the supplement of an angle of 27 ° . 3 Of what angle is 58 ° the complement ? 4 Of what angle is 126 ° the supplement ? 5 How many degrees in an angle if it is twice its complement ? if ...
... Find the complement of an angle of 27 ° . 2 Find the supplement of an angle of 27 ° . 3 Of what angle is 58 ° the complement ? 4 Of what angle is 126 ° the supplement ? 5 How many degrees in an angle if it is twice its complement ? if ...
Σελίδα 19
... find ≤3 , Z4 , 22 . 18 If 3 is four times 1 , find each angle . 19 The straight line which bisects one of two verti- cal angles bisects the other also . [ Let HK bisect ZAOD ; then HK bisects COB . PROOF . and 24 = 21 by § 112. But 21 ...
... find ≤3 , Z4 , 22 . 18 If 3 is four times 1 , find each angle . 19 The straight line which bisects one of two verti- cal angles bisects the other also . [ Let HK bisect ZAOD ; then HK bisects COB . PROOF . and 24 = 21 by § 112. But 21 ...
Σελίδα 34
... a triangle are 65 ° and 84 ° respectively , find the third angle . 46 If the acute angles of a right triangle are equal , how many degrees in each ? PROPOSITION XIII . THEOREM 160 Any side of a triangle 34 PLANE GEOMETRY - BOOK I.
... a triangle are 65 ° and 84 ° respectively , find the third angle . 46 If the acute angles of a right triangle are equal , how many degrees in each ? PROPOSITION XIII . THEOREM 160 Any side of a triangle 34 PLANE GEOMETRY - BOOK I.
Σελίδα 59
... Find the perimeter . 120 If one side of a rhombus is 6 inches in length , what is the length of the perimeter ? 121 If two adjacent angles of a parallelogram are in the ratio 3 : 5 , how many degrees in each angle ? 122 If one angle of ...
... Find the perimeter . 120 If one side of a rhombus is 6 inches in length , what is the length of the perimeter ? 121 If two adjacent angles of a parallelogram are in the ratio 3 : 5 , how many degrees in each angle ? 122 If one angle of ...
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD altitude angles are equal arc BC assigned quantity base bisectors bisects chord circumference circumscribed Compute CONCLUSION cone construct COROLLARY cylinder diagonals diameter diedral angles divided equiangular equiangular polygon equidistant equilateral triangle exterior angle Find the area Find the locus frustum given circle given line given point homologous hypotenuse HYPOTHESIS inches inscribed intersect isosceles trapezoid isosceles triangle lateral area legs lune median mid-points number of sides opposite parallel lines parallelogram parallelopiped perimeter perpendicular polyedral angle polyedron prism PROOF Draw PROOF Let Prove pyramid Q. E. D. EXERCISES Q. E. D. PROPOSITION quadrilateral radii radius ratio rectangle regular polygon rhombus right angles right triangle SCHOLIUM secant segment semicircle spherical angle spherical degrees spherical excess spherical polygon spherical triangle straight line surface symmetrical tangent tetraedron THEOREM trapezoid triangle ABC triedral vertex vertical angle
Δημοφιλή αποσπάσματα
Σελίδα 168 - In any triangle, the square of the side opposite an acute angle is equal to the sum of the squares of the other two sides diminished by twice the product of one of those sides and the projection of the other upon that side.
Σελίδα 41 - In an isosceles triangle the angles opposite the equal sides are equal.
Σελίδα 38 - ... 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 35 - Any side of a triangle is less than the sum of the other two sides...
Σελίδα 174 - In any triangle, the product of two sides is equal to the product of the segments of the third side formed by the bisector of the opposite angle plus the square of the bisector.
Σελίδα 172 - If from a point without a circle a tangent and a secant are drawn, the tangent is the mean proportional between the whole secant and its external segment.
Σελίδα 171 - 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 199 - Two triangles having 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.
Σελίδα 192 - The areas of two rectangles having equal altitudes are to each other as their bases.
Σελίδα 65 - The perpendicular bisectors of the sides of a triangle meet in a point. 12. The bisectors of the angles of a triangle meet in a point. 13. The tangents to a circle from an external point are equal. 14...