Geometriya.-Zadachi-na-chertezhah.-7-9kl._Balayan_2013-223s
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Entries: 60
Балаян Э.Н.
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Geometriya.-Zadachi-na-chertezhah.-7-9kl._Balayan_2013-223s
Preparing book pages
1
Entries
60
Preface
Other
Page 3
Section I. Brief theoretical information
Theory
Page 5
Section II. Exercises in tables
Problem
Page 29
7-сынып
Other
Page 29
Table 1. Adjacent angles
Problem
Page 29
Table 2. Vertical angles
Problem
Page 31
Table 3. Congruence criteria for triangles
Problem
Page 33
Table 4. Perimeter of an isosceles triangle
Problem
Page 37
Table 5. Properties of an isosceles triangle
Problem
Page 39
Table 6. Criteria for parallel lines
Problem
Page 41
Table 7. Properties of angles with parallel lines
Problem
Page 46
Table 8. Angles of a triangle
Problem
Page 48
Table 9. Angles of a triangle
Problem
Page 49
Table 10. Some properties of right triangles
Problem
Page 53
Table 11. Congruence criteria for right triangles
Problem
Page 57
Table 12. Distance from a point to a line
Problem
Page 58
8-сынып
Other
Page 60
Table 1. Definition and criteria of a parallelogram
Problem
Page 60
Table 2. Properties of a parallelogram
Problem
Page 62
Table 3. Properties of a parallelogram
Problem
Page 65
Table 4. Parallelogram
Problem
Page 67
Table 5. Parallelogram
Problem
Page 69
Table 6. Trapezoid
Problem
Page 70
Table 7. Trapezoid
Problem
Page 73
Table 8. Area of a rectangle
Problem
Page 74
Table 9. Area of a parallelogram
Problem
Page 77
Table 10. Area of a triangle
Problem
Page 80
Table 11. Area of a trapezoid
Problem
Page 83
Table 12. Pythagorean theorem
Problem
Page 87
Table 13. Definition of similar triangles
Problem
Page 94
Table 14. Similarity criteria for triangles
Problem
Page 99
Table 15. Similarity criteria for triangles
Problem
Page 103
Table 16. Midline of a triangle
Problem
Page 106
Table 17. Proportional segments in a right triangle
Problem
Page 109
Table 18. Relations between sides and angles in a right triangle
Problem
Page 111
Table 19. Relations between sides and angles in a right triangle
Problem
Page 113
Table 20. Tangent to a circle
Problem
Page 116
Table 21. Central and inscribed angles
Problem
Page 119
Table 22. Four notable points of a triangle
Problem
Page 126
Table 23. Inscribed and circumscribed circles
Problem
Page 128
Table 24. Vectors
Problem
Page 139
Table 25. Midline of a trapezoid
Problem
Page 145
9-сынып
Other
Page 149
Table 1. Coordinates of a vector
Problem
Page 149
Table 2. Basic problems in coordinates
Problem
Page 150
Table 3. Applying the coordinate method to solving problems
Problem
Page 153
Table 4. Equation of a circle
Problem
Page 155
Table 5. Equation of a line
Problem
Page 157
Table 6. Solving triangles. Area of a triangle
Problem
Page 159
Table 7. Solving triangles. Law of sines
Problem
Page 163
Table 8. Solving triangles. Law of cosines
Problem
Page 165
Table 9. Scalar product of vectors
Problem
Page 169
Table 10. Circumference. Arc length
Problem
Page 172
Table 11. Area of a circle
Problem
Page 177
Table 12. Area of a circle
Problem
Page 180
Section III. Solutions to some problems
Answer
Page 182
Grade 7 solutions
Answer
Page 182
Grade 8 solutions
Answer
Page 184
Grade 9 solutions
Answer
Page 199
Answers
Answer
Page 214
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