Plane Geometry: With Problems and ApplicationsAllyn and Bacon, 1910 - 280 σελίδες |
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Σελίδα 9
... perpendicular to the line . B Thus , if ≤1 = ≤2 , each angle is a right angle and AC is then said to be perpendicular to BD . Since the straight angle BAD is composed of ≤1 and 2 , each of which is a right angle , it appears that a ...
... perpendicular to the line . B Thus , if ≤1 = ≤2 , each angle is a right angle and AC is then said to be perpendicular to BD . Since the straight angle BAD is composed of ≤1 and 2 , each of which is a right angle , it appears that a ...
Σελίδα 10
... perpendicular to BD at the point A can be drawn on the same side of BD ? Does the answer to this question depend upon the answers to the questions in Ex . 4 ? How ? 6. Pick out three acute angles , three right angles , and three obtuse ...
... perpendicular to BD at the point A can be drawn on the same side of BD ? Does the answer to this question depend upon the answers to the questions in Ex . 4 ? How ? 6. Pick out three acute angles , three right angles , and three obtuse ...
Σελίδα 19
... perpendicular to AB and that AD = DB . State this fully in words . 2. Using § 40 , determine which of the following triangles on page 4 are congruent : OJK , HNP , OIH , PHG , JKU . 3. Do two sides determine a triangle ? Three sides ...
... perpendicular to AB and that AD = DB . State this fully in words . 2. Using § 40 , determine which of the following triangles on page 4 are congruent : OJK , HNP , OIH , PHG , JKU . 3. Do two sides determine a triangle ? Three sides ...
Σελίδα 22
... perpendicular to a segment at one end of it without prolonging the segment and without using the square ruler ... perpendicular to a line- segment at its middle point is called the perpendicular bisector of the segment . 51. PROBLEM . To ...
... perpendicular to a segment at one end of it without prolonging the segment and without using the square ruler ... perpendicular to a line- segment at its middle point is called the perpendicular bisector of the segment . 51. PROBLEM . To ...
Σελίδα 23
... perpendicular bisector of AB . To prove this , show that △ ACD ≈ △ BCD . Hence < 3 = 24 . By what test can it now be shown that Hence △ AOCA BOC ? Z1 = 22 . ( Why ? ) ( Why ? ) Therefore co ( or CD ) is perpendicular to AB ( Why ...
... perpendicular bisector of AB . To prove this , show that △ ACD ≈ △ BCD . Hence < 3 = 24 . By what test can it now be shown that Hence △ AOCA BOC ? Z1 = 22 . ( Why ? ) ( Why ? ) Therefore co ( or CD ) is perpendicular to AB ( Why ...
Άλλες εκδόσεις - Προβολή όλων
Plane Geometry With Problems and Applications H. E. Slaught Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD accompanying design altitude apothem arcs area bounded axes of symmetry axioms base and altitude bisectors bisects central angle chord circumference congruent corresponding sides definite diagonal diameter divided Draw drawn equal angles equal circles equilateral triangle EXERCISES exterior angle feet Find the area Find the locus Find the radius fixed point geometric Give the proof given circle given point given triangle greater Hence hypotenuse inscribed intersect isosceles triangle length line-segment measure meet middle points number of sides Outline of Proof parallel lines parallelogram perimeter perpendicular proof in full Prove quadrilateral radii ratio rectangle regular dodecagon regular hexagon regular octagon regular polygon regular triangle respectively rhombus right angle right triangle secant semicircle Show shown straight angle straight line strip subtend SUGGESTION tangent THEOREM tile trapezoid triangle ABC unit vertex vertices width
Δημοφιλή αποσπάσματα
Σελίδα 215 - If two triangles have two sides of the one equal to two sides of the other...
Σελίδα 35 - An exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Σελίδα 22 - Any side of a triangle is less than the sum of the other two sides...
Σελίδα 113 - Sines that the bisector of an angle of a triangle divides the opposite side into parts proportional to the adjacent sides.
Σελίδα 273 - This textbook may be borrowed for two weeks, with the privilege of renewing it once. A fine of five cents a day is incurred by failure to return a book on the date when it is due. The Education Library is open from 9 to 5 daily except Saturday when it closes at 12.30.
Σελίδα 52 - 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 46 INTERCEPTS BY PARALLEL LINES.
Σελίδα 174 - The areas of two regular polygons of the same number of sides are to each other as the squares of their radii, or as the squares of their apothems.
Σελίδα 153 - The formula states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the base and altitude.
Σελίδα 219 - Find the locus of a point such that the difference of the squares of its distances from two fixed points is a constant.
Σελίδα 202 - The area of a rectangle is equal to the product of its base and altitude.