С.Төлеубаева,Г.Жүнісова, Е.Тұяқов. Геометрия есептер жинағы 8-сынып. 2016

Foreword

1.1. Concept of quadrilaterals

1.2. Parallelogram and its properties

1.3. Rectangle, rhombus, square and their properties

1.4. Thales’ theorem

1.5. Trapezoid and its properties

1.6. Midlines of a triangle and a trapezoid

2.1. Sine, cosine, tangent and cotangent of an acute angle in a right triangle

2.2. Pythagorean theorem

2.3. Fundamental trigonometric identities

2.4. Values of sine, cosine and tangent for 30°, 45° and 60° angles

2.5. Evaluating trigonometric expressions

2.6. Solving right triangles

3.1. Coordinates of a point in the plane. Coordinates of the midpoint of a segment

3.2. Distance between two points

3.3. Equation of a circle

3.4. Equation of a line

3.5. Variation of sine, cosine and tangent values from 0° to 90°

4.1. Concept of area. Area of a rectangle

4.2. Area of a parallelogram

4.3. Area of a triangle

4.4. Area of a trapezoid

Review problems

Answers