What is 4 equal to under the root of 3

1.5874,

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1. The value of 34 out of 25 of the root sign is
2. The radius of the small round field is increased by 5 m to get the large round field, and the area of the field is increased by 3 times
3. As shown in the figure, the radius of the small round field is increased by 5m to get the large round field. If the area of the field is doubled, the radius of the small round field is reduced=______ ．
4. The radius of the small round field is increased by 5 m to get the large round field, and the area of the field is increased by 3 times
5. As shown in the figure, the radius of the small round field is increased by 5m to get the large round field. If the area of the field is doubled, the radius of the small round field is reduced=______ ．
6. The area of the shadow in the right figure is 50 square centimeters, so the area of the ring in the figure is
7. The area of the shadow in the figure below is 50 square centimeters, and the ring area can be calculated
8. As shown in the figure: the area of the shadow part is 50 square centimeters, find the area of the ring in the figure
9. As shown in the figure: the area of the shadow part is 50 square centimeters, find the area of the ring in the figure
10. What is the radius and diameter of a 3 m road in a circular garden? What is the perimeter and area?
11. The image of the first-order function y = - 4 / 3x + 4 intersects with the x-axis and y-axis at points a and B respectively, with line AB as the right angle side The image of the first-order function y = - 4 / 3x + 4 intersects with the x-axis and y-axis at points a and B respectively. The isosceles RT △ ABC is made in the first quadrant with the line AB as the right angle. The angle BAC is 90 ° and the point P (a, 2) is a moving point in the coordinate system Q 1. Calculate the area of △ ABC 2. What is the value of a when the area of △ ABP is equal to that of △ ABC?
12. Given the first-order function y = - 5 / 12x + 12, find the area of the figure enclosed by the image and the coordinate axis
13. If the area of the triangle formed by the first-order function y = x + B and the coordinate axis is 8, the analytic expression of the first-order function is______ ．
14. As shown in the figure, the upper bottom of trapezoidal aebd is 1.4 decimeters, the lower bottom is 3.2 decimeters, and the area of triangle Abe is 1.54 square decimeters
15. As shown in the figure, the top and bottom of a ladder are 3.6 decimeters long. If you add a triangle with a bottom of 6.4 decimeters and an area of 6.4 square decimeters, it will become a parallelogram. What is the area of this trapezoid?
16. The area of a quadrilateral is 50 square decimeters, and the shadow part is a triangle. What is the area of the triangle? The area of a parallelogram is 50 square decimeters. The shadow is a triangle. What is the area of the triangle?
17. Two line segments divide the triangle into three triangles and a quadrilateral. As shown in the figure, if the areas of the three triangles are 3, 7 and 7 respectively, the shadow area is?
18. As shown in the figure, triangle ABC is divided into triangle BDE and quadrilateral ACDE by line segment de. question: what is the area of triangle BDE that is the area of quadrilateral ACDE?
19. As shown in the figure, what is the area of the triangle with a (0,3), B (1,0) and C (2,2) as vertices
20. The maximum value of the function y = SiNx + 3cosx is () A. 1B. 2C. 3D. 2