A rectangular vegetable field is twice as long as it is wide, and its perimeter is 54 meters. What is the length and width of this vegetable field Please, please!

If the width is x, the length is 2x
The equation is 2 * (x + 2x) = 54
The solution is x = 9
So 2x = 18
It is 18 in length and 9 in width

The perimeter of a rectangular vegetable field is 96 meters, and the length is four times the width. How much is the length and width? (use the equation to solve)

Let the width be X. (4x + x) * 2 = 96
10x=96
X = 9.6, length = 9.6 * 4 = 38.4

A rectangular vegetable field, the length is twice the width, the perimeter is 54 meters, the length and width of this vegetable field is how many meters? (with equation solution) fast 3 minutes in! Urgent! Urgent! Urgent! Urgent! Urgent! Urgent! Urgent!

Let length = x, width = y
x=2y
2(x+y)=54
solve equations
y=9,x=18
L = 18 m, w = 9 m

A cube, cut a knife, cross section may be what graphics? It is best to have pictures, only cut a knife

From triangles to hexagons, as shown in the figure

Among all the sections passing through the center of the cube, the one with the largest number of edges is the one with the largest number of edges_____ Edge shape
Please tell me why. Forgive me for my poor spatial thinking

Hexagon. Faces intersect with each other to form a straight line. A cube has six faces, and at most it intersects with six line segments, so it's a hexagon. I drew a simple diagram

We often see floors with patterns as shown in the figure. They are all made of square shaped materials or hexagonal shaped materials. In this way, the materials can be paved into a flat and void free floor
(1) If the floor is paved as above, can it be made of pentagonal materials? Why? (2) Can you come up with another plan to use a polygonal (not necessarily regular polygonal) material to lay the floor? Draw a sketch of your plan. (3) please draw a sketch of two different regular polygon materials

(1) The shape of the material used can not be a regular pentagon. Because each inner angle of the regular pentagon is 108 degrees, in order to lay a flat and void free floor, several regular pentagon must be assembled into a circumference (360 degrees), but n that meets the condition of n × 108 degrees = 360 degrees can not be found. Therefore, the floor can not be paved with all regular pentagon materials; (2) draw a sketch according to the requirements; (3)

How can you draw a regular hexagon in a square?

As shown in the figure, take the middle point of one side and the distance between the adjacent sides and the root of the vertex angle by 3 / 3. In addition, if you want to draw with a ruler, you can first make the middle point of one side, and then make a 30 degree angle (you can use a ruler to divide a right angle, that is, a 30 degree angle). After intersecting with the adjacent sides, you will get an edge of the regular hexagon, In the same way, if you draw other edges, you can make a regular hexagon

The graph is divided into four parts with the same shape and size
An equilateral triangle and an isosceles trapezoid are divided into four parts of the same shape and size

Equilateral triangle, take the midpoint, a = x / 2 isosceles trapezoid, divided into four right angle trapezoid 3A + B = x3b + a = y, a = (3x-y) / 8b = (3y-x) / 8 visible, X & gt; = Y / 3 limit

Cut a rectangle into two figures of the same shape and size. How many kinds of cutting methods are there?

There are countless kinds
As long as two equal line segments are cut off at both ends of a group of opposite sides of a rectangle and then connected, two trapezoids of equal size and shape can be obtained

How to draw the height of a parallelogram

As shown in the picture

A rectangular vegetable field is twice as long as it is wide, and its perimeter is 54 meters. What is the length and width of this vegetable field Please, please!