Summary of geometry knowledge points in senior high school entrance examination:
Part I: Intersecting Lines and Parallel Lines
1. Basic attributes of line segments and lines: 2. Angle classification:
3, the relationship between two straight lines on the plane:
4, the nature and judgment of parallel lines:
Part II: Triangle
1. Important line segments: midline, angular bisector, high line and midline:
2, the nature of the triangle edges and corners:
3. Triangles are classified by sides and angles:
4. The nature and application of triangle midline;
5, the nature of isosceles triangle:
6. Determination of isosceles triangle;
7, the nature of the right triangle:
8, right triangle:
The third part: consistency and similarity
1, the nature and judgment of congruent triangles:
2. Right triangle:
3. The nature and judgment of similar triangles:
4. The nature and judgment of similar polygons;
Part IV: Quadrilateral
1, sum of inner and outer angles of polygon:
2. The definition, nature and judgment of parallelogram;
3. Typical figures and conclusions of parallelogram:
5. Definition, nature and judgment of rectangle;
6. Typical figures and conclusions of rectangle:
7. Definition, nature and judgment of diamonds:
8, diamond typical graphics and conclusion:
9, the definition, nature and judgment of square:
10 and typical figures and conclusions of squares;
1 1. Definition, properties and judgment of isosceles trapezoid;
12, typical figure and conclusion of isosceles trapezoid;
13, the relationship between the shape of the quadrangle formed by connecting the midpoints of each side in turn and the original quadrangle:
14. Symmetrical features of common quadrangles:
Part V: Circle
1, the positional relationship between point and circle:
2, vertical diameter theorem:
3. Definition and property theorem of central angle;
4. Definition and property theorem of circle angle;
5, determine the conditions of the circle:
6, the symmetry of the circle:
7, the position relationship between straight line and circle:
8, the nature of the tangent, judgment:
9, tangent length theorem:
10, the definition and judgment method of the inner and outer centers of triangles;
1 1, the positional relationship between circles:
12, regular polygons and circles:
13, arc length formula, sector area formula:
15, the relationship between the sector and the cone it surrounds:
Part VI: Views and predictions.
1, shape of geometric section:
2, the expansion of the small cube:
3. Three views of common set geometry:
4. Central projection, parallel projection and orthographic projection:
Part VII: Translation and Rotation
1, the essence of graphic translation:
2, the nature of the graphics rotation:
Part VIII: Solving Right Triangle
1, the definition of three acute angle functions:
2, the special value of trigonometric function:
3. Relationships and theorems needed to solve right triangle:
4. Application of common solutions to right triangle:
5. Two main methods for measuring the height of objects:
The ninth part:
(A) the geometric model
(B) Strategy to solve the problem
1, using special circumstances to explore the law:
2. Discuss:
3. Turn the unknown into the known:
4. Combination of numbers and shapes:
5. The comprehensive application of geometry and algebra: