On a map with a scale of 1:40000, the distance between the two places is 5cm. What is the actual distance between the two places

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• 1. 1. On a 1:40000 map, the distance between the two places is 6cm. What is the actual distance between the two places? 2. The area and volume of the bottom of a cylinder and a cone are equal. The height of a cone is 9 cm, and the height of a cylinder is? 3. The distance from land a to land B is 160 km, and () cm should be drawn on the map of 1:4000000 4. Cut the 1.2-meter-long cylindrical steel into three sections according to the ratio of 1:2:3, and increase the surface area by 56 square centimeters. The volume of the longest section is () cubic centimeters more than that of the shortest section?
• 2. On a 1:40000 scale map, the distance between the two places is 6cm. What is the actual distance between the two places?
• 3. On a map with a scale of 1:40000, the distance between the two places is 3cm. If on a map with a scale of 1:60000, what is the distance between the two places? rt
• 4. On the map of 1:20000 scale, the distance between towns a and B is 3cm. If on the map of 1:25000 scale, how many cm is the distance between towns a and B?
• 5. On a map, the actual distance is 900 km represented by a 3 cm line segment. What's the scale of this map? On this map On a map, the actual distance is 900 km represented by a 3 cm long line segment. What is the scale of this map? On this map, a and B are measured to be 2.5 cm. What is the actual distance between a and B? On this map, a 480 km long highway is measured to be 2.5 cm? The right figure is a section of a machine part drawn with a scale of 1:20. The radius of the outer circle is 1cm, and the radius of the inner circle is 0.5cm. The actual area of the cross section of the part is calculated~
• 6. The 1 cm line on the map represents the actual distance of 60 km. The scale of this map is ()
• 7. On a map, the actual distance of 18 kilometers is represented by 3 cm line segments. The scale of this map is ()
• 8. (1) On a map, the actual distance of 30 kilometers is represented by 3 cm line segments. The scale of this map is () (2) The length of a part is 5mm. If you draw it on a 10:1 scale drawing, you should draw () cm (3) On a map with a scale of 1:300000, the distance between a and B is 12 cm, and the actual distance between them is () km; if the scale of 1:500000 is used, the distance between a and B should be () cm (4) A rectangular piece of land is 75 meters long and 30 meters wide. Draw it on a drawing at a scale of 1 / 1000. How many centimeters should it be long and how many centimeters should it be wide? (5) On a map, the actual distance is 600 km with a 3 cm line segment. On this map, the distance between a and B is 4.5 cm. What is the actual distance between a and B? (6) According to the drawing with the scale of 1 / 2000, the length of a rectangular test field is 4cm and the width is 3cm. What is the actual area of the test field? (7) A triangular flower bed, measured on the plan, is 4cm low and 3cm high. It is known that the scale of this plan is 1:1000, and the actual area of this flower bed is () square meters? (close at 10 o'clock) (8) the radius ratio of circle a and circle B is 2: the total area of these two circles is 260 square centimeters. How many square centimeters is the area of each circle? The formula. Also want to
• 9. On a map, the actual distance is 150 kilometers represented by a 3 cm line segment. The scale of this map is (), it is On a map, the actual distance is 150 km represented by a 3 cm long line segment. The scale of this map is (), which means that the distance on the map is () of the actual distance, and the actual distance is () of the distance on the map
• 10. On a map of the eastern and western hemispheres with a scale of "1 cm represents a distance of 1000 km in the field", the length of the equator should be () A. 20 cm B. 40 cm C. 80 cm D. 10 cm
• 11. On a map with a scale of 1:20000, if the length of a road along the central link is 8 cm, how many meters is its actual length
• 12. A map with the original scale of 1:50000 is now redrawn with the scale of 1:20000. How many centimeters should be drawn in the new map for the distance of 4 or 8 centimeters in the original map?
• 13. A map with a scale of 125000 is redrawn with a scale of 120000. How many centimeters does the original map of a and B with a length of 12.5cm grow on the new map?
• 14. As shown in the figure, e is the point on the diagonal BD of the square ABCD with side length 1, be = BC, P is any point on CE, PQ ⊥ BC is at point Q, PR ⊥ be is at point R, then the value of PQ + PR is () A. 22B. 12C. 32D. 23
• 15. As shown in the figure, e is the point on the diagonal BD of the square ABCD with side length 1, be = BC, P is any point on CE, PQ ⊥ BC is at point Q, PR ⊥ be is at point R, then the value of PQ + PR is () A. 22B. 12C. 32D. 23
• 16. As shown in the figure, AB is parallel to Cd in ladder ABCD. If AB = CD, is ladder ABCD isosceles triangle? Why?
• 17. As shown in the figure, e is a point in the square ABCD. If △ Abe is an equilateral triangle, then ∠ BCE=
• 18. As shown in the figure, the side length of square ABCD is 2, and △ BCE is an equilateral triangle. Complete the figure and find the area of △ ade The picture is a square
• 19. As shown in the figure, in the isosceles triangle ABCD, AB is parallel to CD, AC = 10 cm, CE is perpendicular to AB, e, CE = 6, find the area of trapezoid ABCD
• 20. In the pyramid v-abcd, if the bottom surface ABCD is a square with side length 2 and the other four sides are isosceles triangles with waist length 5, then the dihedral angle v-ab-c The size of the plane angle is——