Geometry · Grade 8

32/32 weeks ready · A. A. Rahimqoriyev, M. A. To‘xtaxo‘jayeva. Geometry, Grade 8 (textbook for general secondary schools), revised 3rd edition. Yangiyo‘l Poligraf Servis, Tashkent, 2014

Review of Grade 7

1. Review of Grade 7 material
Quiz (8)
Homework

§1Quadrilaterals

§2Areas

§3The Pythagorean theorem

§4The circle

§5Vectors

Grade 8 review

49. Review of the Grade 8 topics
Quiz (8)
Homework

Geometry · Grade 8

Review of Grade 7

Review of Grade 7

§1Quadrilaterals

Polygons. Sums of interior and exterior angles

The parallelogram and its tests

The rectangle and the rhombus

The square and the midline of a triangle

The trapezoid and the isosceles trapezoid

The midline of a trapezoid

Thales’ theorem and its use

Reflection in an axis

Central symmetry

§2Areas

The idea of area and measuring area

Area of a rectangle

Area of a parallelogram and of a triangle

Area of a rhombus

Area of a trapezoid

Area of a polygon and support problems

§3The Pythagorean theorem

Pythagoras and his theorem

Proof of the Pythagorean theorem

Consequences of the theorem and the converse

Finding a triangle’s altitude from its sides

Heron’s formula and problem solving

§4The circle

The circle. The central angle

Properties of a chord and a diameter

A line and a circle. The tangent

The inscribed angle

The inscribed and circumscribed circle

Angles formed by lines meeting a circle

§5Vectors

The idea of a vector. Adding and subtracting vectors

Multiplying a vector by a number and applying vectors

Coordinates of a vector and operations on them

The scalar product. Physical meaning of vectors

Grade 8 review

Grade 8 review