Tip 1: How to measure the angle of inclination

Instruction

To find out the corner tilt, Build a rectangular triangle, the inclined line will act as hypotenuse. To do this, use a plumb, since it will always create a straight angle with Earth. Select the starting point on your inclined plane or line and with a plumb and roulette, measure the distance from this point to the Earth (or any other horizontal surface, for example, gender). If there is no plumb, just take the load and hang it on the rope. This distance is called the opposite catat.

Then make the distance from the point in which your plumb left, to the place where the inclined surface rests on the ground (floor). It will be a pricing catat. If this distance is difficult to find, instead, find the length of the inclined surface from the source point to the ground (floor). It will be hypotenuse. Anyway, at your disposal should be at least two numbers - hypotenuse and one of the cathets, or two categories.

If you know the length of the hypotenuse and the length of the opposite category, calculate the sine (SIN), dividing the length of the catech for the length of the hypotenuse. Now, to find the angle itself, using the engineering calculator, find the Arxinus (Arcsin) of the resulting number. Note, in the calculator, its designation may be: sin ^ (- 1) or ASIN. You will get an angle value in degrees.

If you know the length of the adjacent catech and hypotenuses, find the cosine (COS), for this divide the length of the category for the length of the hypotenuse. Take the calculator with the Arscos button (or ACOS, or COS ^ -1) and calculate the arquosine, which is the desired angle tilt in degrees.

In order to measure the angle tilt With known categories, find a tangent (TG). To do this, divide the opposing tangent to the prigible one. Then, from this number, with the help of a calculator, calculate ArctG (it may also be denoted by ATAN or TAN ^ -1). The value obtained and will be the value of the angle in degrees.

In the production of different works in the country or the household plot (laying of various sites, paving slabs or tracks), it is often necessary to docile by sloping tracks located at different levels. It is necessary to carefully determine and withstand the angle of inclination of the plane in such sections.

You will need

  • - vertical or horizontal construction level;
  • - plumb;
  • - courier;
  • - transport;
  • - smooth wooden timber 1.5 m long;
  • - laser level and measuring ruler;
  • - hydroelectric, marker, 2 spicy;
  • - Roulette.

Instruction

To determine the angle of inclination of the plane with the most easy way, use a plumb, wooden bar and transport. Put the timber on the checked plane. Left hand hold a plumb at an altitude of 300 - 400 mm. Move the plumb to the edge of the bar. Calm down the bottom of the plumb. Right hand vertically place the transporter with a flat side on the bar. Moving the vehicle, align the point of reference point with a plumbing thread. Consider the angle of inclination of the plane at the point of intersection of a plumbing thread with a client scale. Get an angle of inclination of the plane relative to the vertical. If you need an angle relative to the horizon, calculate it, taken from the resulting angle 90. This method is used in draft measurements, since it gives a low accuracy of the alternation of the angle of inclination of the plane.

More accurate is the following measurement method. Put the timber on the checked plane. On the edge of the bar vertically, put the level. Level keep your left hand. At the right hand, attach a tilter to the harms of the corner. On the skettle scale, consider the angle of inclination of the plane.

The most accurate method in which the laser level is applied. Install a strictly horizontally level base. Turn on the laser head. Measure the level of the height of the height from the horizontal beam of the laser to the surface of the checked plane on a section of 1 m long. With the value of the drop to 1 m at this area, each 2.22 cm of the difference is close to 1 degree.

High accuracy measurement of the angle of inclination can be achieved using the hydroelectricular instead of a laser level. For this measurement, score parallel to the tilt of the plane two cavals at a distance of 1 m. Mark the horizon with the help of a hydroevoy. Measure the distance from the horizon tags to the plane. Take a smaller size from a larger size - get the value of the height difference at a meter distance. Divide this value by 2.22 and get an angle of inclination of the measured segment of the plane in degrees.

How to find out distance Between item a and point in Google map? Before the pain, a familiar question is not true? With the help of the Google cartographic service, it is quite easy to determine distance To few people of the famous town at the other end of the world or how far from your home is the nearest stop.


You will need

  • Access to the Internet

Instruction

Go to Google search engine and click on the word "cards", which is in the top of the search engine. With the right side you will see the card, and with the left two buttons: "Routes" and "My Places". Click on "Routes". Under it, two windows "A" and "B" will appear, that is, the initial and end point of the reference. Full, you are in Ufa, and you need to find out how much time will take the road to Perm. In this case, in the window "A" enter "Ufa", and in the window "B" - "Perm". Click on the button below the routes. Walk, click on the button with a pedestrian image, which is located above the windows "A" and "B". The service will restructure the route and automatically calculate distance And the expected time on the road.

In the case when you need to measure distance From point "A" to "in", located in a single paragraph, should be operated according to the scheme described above. The difference consists of only the fact that the title of the area needs to be added the street and, perhaps, the house number through the comma. (For example, "A": Moscow, Tverskaya 5 and "B": Moscow, Colored Boulevard, 3).

There are situations when you are interested distance Between objects "directly": through fields, forests and rivers. In this case, click on the icon of the gear ring in the upper corner of the page. In the resulting detailed menu, select Google Laboratory and turn on the Distance Measurement Tool, save the changes. A ruler appeared in the upper left corner of the card, click on it. Recote the reference point on the map, and then the end point. A red line will appear between these points on the map, and the breakdown will be shown on the panel on the left side.

Helpful advice

You can choose one of two units of measurements: kilometers or miles;
- by pressing a few points on the map, you can determine the distance between many points;
- If you enter the service using your profile, Google cards will remember your settings in Google Map Lab.

Sources:

  • measure the distance on the map

The geometrical meaning of the first-order derivative of the function f (x) is a tangent directly to its graph, passing through the specified point of the curve and the coinciding on it at this point. Moreover, the value of the derivative at a given point X0 is an angular coefficient or otherwise - tangent angle of inclination tangent direct k \u003d tg a \u003d f` (x0). The calculation of this coefficient is one of the most common tasks of the theory of functions.

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