Point C is a point on the line segment AB with the length of 18cm. According to the following conditions, the length of AC and BC can be calculated. [1] AC is twice that of BC. [2] AC: BC = 3:2

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• 1. The midpoint of the line segment AB with the length of 12cm is m, and the line segment MB is divided into MC: CB = 1:2 by point C. Then how many cm is the length of the line segment AC
• 2. If the midpoint of the 12cm segment AB is m, and point C divides the segment MB into MC: CB = 1:2, then the length of the segment AC is______ ．
• 3. The midpoint of segment AB with length of 18cm is m, and point C is on segment MB, and CB = 2mc (1) Find the length of CB; (2) Find the length of line AC
• 4. Line AB = 12cm, point m is the midpoint of AB, point C is on MB and MC: CB = 2:1, find the length of line AC?
• 5. If AB = 4cm, BC = 1cm, then AC = () A. 1cmB. 2cmC. 3cmD. 4cm
• 6. On the straight line L intercept AB = 6cm, AC = 10cm, then the distance between the midpoint of AB and the midpoint of AC is (solution and answer)
• 7. If AB = 6 and AC = 10 are intercepted on the line, then the distance between the midpoint of AB and AC is?
• 8. If there is a point m on the line L, and Mn = 6cm is intercepted on the line L, and MP = 10cm is intercepted in the opposite direction from the point m, what is the distance between the midpoint of Mn and the midpoint of NP
• 9. As shown in the figure, given that there are two points c and D on the line AB, and AC: CB = 2; 5, ad; DB = 5; 6 and CD = 13, find the length of ab AB is at both ends of the line, and the order from left to right is a, C, D, B
• 10. As shown in the figure, D and C are two points on the line AB, ad = 5 / 9dB, AC = 9 / 5CB, and CD = 4cm. Try to find the length of ab
• 11. Given the line AB = 18cm, point C is the point on line ab. according to the following conditions, find the length of AC and BC: (1) C is the midpoint of AB; (2) AC is twice of BC (3) AC: BC = 3:2; (4) AC is 4cm more than BC
• 12. Given that the line segment AB = 1.8, the point C is on the extension line of AB, and AC = 5 / 3 BC, the length of the line segment BC is calculated
• 13. As shown in the figure, the segment AB of point C is AC: BC = 5:7, and the segment AB of point D is ad: BD = 5:11. If CD = 10cm, find the length of ABD
• 14. Given that C and D are two points on the line AB, AC: CB = 5:7, ad: DB = 5:11, if CD = 10cm, find the length of ab
• 15. As shown in the figure, it is known that the line segment ad = 10cm, the line segment AC = BD = 6cm. E and F are the midpoint of the line segments AB and CD respectively, and the length of EF is calculated
• 16. Given two points B and C on the line AB, where ad = 16cm, BC = 7cm, EF is the midpoint of AB and CD respectively, find the length of the line ef? Change line AB to line ad Format ∵ ∴
• 17. As shown in the figure, it is known that the line segment ad = 6cm, the line segment AC = BD = 4cm, e and F are the midpoint of the line segments AB and CD respectively, and EF is calculated
• 18. As shown in the figure, it is known that the line segment ad = 6cm, the line segment AC = BD = 4cm, e and F are the midpoint of the line segments AB and CD respectively, and EF is calculated
• 19. As shown in the figure, the common part of line AB and CD is BD, and BD = 1 / 4AB = 1 / 5CD, e and F are the midpoint of AB and CD respectively, EF = 7cm, find the length of AB and CD
• 20. As shown in the figure, it is known that the line segment ad = 10cm, the line segment AC = BD = 6cm. E and F are the midpoint of the line segments AB and CD respectively, and the length of EF is calculated