Two circles, a triangle and a line segment form a figure and take a meaningful name

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1. Are similar images the same? For example, the similar figure of a triangle is a triangle. Is it possible that the names of two similar figures are the same Are similar images the same? For example, the similar figure of a triangle is a triangle. Can we do this The names of two similar figures are the same That is, diamond ABCD and diamond defg We don't know diamond defg is diamond But we prove that diamond ABCD is similar to diamond defg Does it mean that diamond defg is diamond
2. Easy practice 15 points test paper: sixth grade mathematics (Part one) -- Jiangsu Edition Urgent! Xiao Fang placed an object with several square centimeter cubes. Here are the figures from different directions Front: two floors, three below and two above Above: one floor, three Side: two layers, one above and one below What is the volume of this object in cubic centimeters Make it clear Side: two on the ground floor, two on the second floor, one on the third floor The top two layers: three on the first layer and three on the second layer There are three levels on the front, four on the first level, two on the second level and one on the third level The picture on the right is made up of small square blocks. On this basis (the original block does not move), how many small cube blocks do you need at least? The formula
3. The sixth unit number and algebra ability test volume (volume a) 1. A certain engineering team has built a highway, which has been paved for 2.8 km in the first 20 days. According to this calculation, the remaining 4.2 km will be paved in a few days 2. For a project, it takes 10 hours for Party A to do it alone and 15 hours for Party B to sit alone. Now, after 3 / 1 cooperation between Party A and Party B, how many hours will it take for Party A to complete the remaining work alone? 3. A kind of liquid medicine is made up of powder and water in the ratio of 1:100. How many kg of powder and water are needed to prepare 4040 kg of liquid medicine? 4. A desk costs 30 yuan more than a chair. If the unit price of a chair is 3 / 2 of that of a desk, how much is the unit price of the desk and chair? 5. There is rice in the area, 40% in one week, 12 kg in two weeks, and 6 kg left. How many kilos is this bag of rice?
4. Need a set of mathematics mid-term questions for the eighth grade of new education press
5. Find the math test questions of each unit in Volume 1 of Grade 8
6. As shown in the figure, in △ ABC, ab = AC, ∠ a = 60 °, be ⊥ AC at e, extend BC to D, make CD = CE, connect De, if the perimeter of △ ABC is 24, be = a, then the perimeter of △ BDE is______ ．
7. The relationship between height h (m) and falling time t (s) is h = 4.9t2. One student accidentally let a glass fall freely from a 19.6m high building, just as another student was standing on the ground in the same line with the falling glass. While the glass was falling, the student on the building screamed. At this time, could the student downstairs escape (the speed of sound is 340m / s)?
8. Materials for midterm review of mathematics in the eighth grade
9. As shown in the figure, in the plane rectangular coordinate system, the endpoint coordinates of line AB are a (- 2,4), B (4,2), and the line y = kx-2 has an intersection with line AB, then the value of K cannot be () A. -5B. -2C. 3D. 5
10. Make a circle through a (a, 0): x ^ 2 + y ^ 2 = R ^ 2 (a > R > 0), and find the path of the middle point of the chord cut by circle o
11. Write the name of the triangle in the diagram! There are three lattices (divided by angles); there are three lattices (divided by edges, with a triangle written in the first lattice)
12. 1. What do you find when comparing rectangles, squares, triangles and circles? 2. How many ways to draw circles? 3. What are the names of the parts of a circle? It's my homework
13. What interesting figures can be formed by two circles, two triangles and two vertical lines?
14. If both sides of a right triangle and another angle are perpendicular to each other, what is the relationship between the two angles? Draw a figure and prove it
15. If the middle line of an edge of a triangle is equal to half of the edge, then the triangle is a right triangle
16. As shown in the picture______ Three triangles______ A parallelogram______ It's a trapezoid
17. A triangle has been drawn in the figure. Please draw a parallelogram on the figure so that the area of the parallelogram is three times that of the triangle
18. What figure can a circle, a straight line and two triangles form / what is the implication/
19. Two triangles and two circles, a straight line can form what figure Graphics other than anglers
20. What shapes can triangles and circles form