Key to Geometry, Book 7: Perpendiculars and Parallels, Chords and Tangents, Circles
by Newton Hawley Author
(From Amazon): Key to Geometry offers a non-intimidating way to prepare students for formal geometry as they do step-by-step constructions. Using only a pencil, compass, and straightedge, students begin by drawing lines, bisecting angles, and reproducing segments. Later they do sophisticated constructions involving over a dozen steps and are prompted to form their own generalizations. When they finish, students have been introduced to 134 geometric terms and are ready to tackle formal proofs. Book 7 includes three comprehensive chapters which cover perpendiculars and parallels, chords and tangents and circles. Student workbook, consumable student will also need a compass, a straight edge and a sharp pencil.Pages: 154, PaperbackPublisher: Key Curriculum Press
Additional Details
- Resource Type
- Book
- ISBN
- 091368477-5
- Print Status
- In Print
- lessons
- 29
- Pages
- 154
- Suggested Grades
- 9th - 10th
- Publisher
- Key Curriculum Press
- Copyright
- 1972
lessons
- 1 comparing angles- the sides and angles of a triangle
- 2 The Isosceles triangle- reiveiw
- 3 the isosceles triangle- the perpendicular bisector of the base of a triangle
- 4 a triangle- the bisector of an angle of a triangle
- 5 perpendicular lines- parallel lines
- 6 the perpendicular to a line from a point- constructing parallel lines
- 7 corresponding angles- review
- 8 alternate interior angles- review
- 9 the parallelogram- properties of a parallelogram
- 10 the rhombus- review
- 11 the midpoints of a quadrilateral- review
- 12 the sum of angles- constructing the sum of angles
- 13 the exterior angles of a triangle- the sum of exterior angles...
- 14 the sum of the exterior angles of a polygon- the sum of the angles of a triangle
- 15 practice test
- 16 The chord of a circle- review
- 17 constructing a circle through the endpoints- the tangent to a circle
- 18 constructing a circle tangent to a line- review
- 19 tangent circles
- 20 practice test
- 21 correct test
- 22 circimscribing a cirle about a triangle- drawing a circle through 3 points
- 23 review
- 24 circumscribing a cirle about a polygon- review
- 25 inscribing a square in a circle- inscribing a hexagon in a circle
- 26 inscribing a regular pentagon in a circle- review
- 27 inscribing a circle in a regular polygon
- 28 practice test
- 29 correct test
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