Is a triangle an axisymmetric figure?

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• 1. Need centrosymmetric graphics and axisymmetric graphics. To participate in the competition, to look good. Meaningful
• 2. The meaning of axisymmetric figure Exactly, there is also the meaning of axisymmetry The definition of vertical bisection of line segment and the property of axisymmetry
• 3. Which numbers from 0 to 9 are axisymmetric
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• 5. Which of the ten numbers are axisymmetric
• 6. From 0 to 9, which are axisymmetric figures?
• 7. In 0 ~ 9, there are two types of axisymmetric figures______ ．
• 8. Is axisymmetric figure and axisymmetric a concept? Why
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• 11. Any triangle is an axisymmetric figure The motion of a car on a slope is translational right or wrong If the children's palace is in the northwest of the gymnasium, then the gymnasium is in the southeast of the children's palace When you open the refrigerator door to pick up things, the movement of the refrigerator door is rotating right and wrong The direction of 60 ° NBW of the observation point can also be said as () A. 60 ° WNW B. 60 ° WNW C. 60 ° nee
• 12. Axisymmetric figure of triangle
• 13. A triangle is an axisymmetric figure. This triangle must be: 1. Acute angle 2. Obtuse angle 3. Right angle 4. Isosceles
• 14. Using "two circles, two isosceles triangles and two line segments" to design an axisymmetric figure, and explaining the name of this figure with concise words
• 15. Among the isosceles triangle, right triangle, rectangle, square, trapezoid, circle and sector, how many must be axisymmetric?
• 16. Please use 1 isosceles triangle, 2 rectangles and 3 circles to design an axisymmetric figure in the box below, and use concise words to explain your idea
• 17. If a triangle is an axisymmetric figure and has an angle of 60 degrees, then the triangle has______ There is an axis of symmetry
• 18. If a triangle is axisymmetric and has an internal angle of 60 degrees, So this triangle is a triangle, and this figure has a symmetry axis
• 19. In the following description, the non axisymmetric figures are a, a triangle B with two equal internal angles, a right triangle C with an internal angle of 45 degrees and an internal angle of 60 degrees
• 20. (1) the bisector of an angle of an equilateral triangle is its axis of symmetry. (2) a triangle with an internal angle of 60 ° is an axisymmetric figure The following statements: (1) the bisector of an angle of an equilateral triangle is its axis of symmetry. (2) a triangle with an internal angle of 60 ° is an axisymmetric figure. (3) an isosceles right triangle is an axisymmetric figure. (4) the figure formed by the intersection of two straight lines is not an axisymmetric figure