Question

Вспомни как используя циркуль находили длину ломаной расскажи как можно найти периметр многоугольника не узнавая длину каждой из его сторон найди этим способом периметр треугольника

Answer 1

Посчитать квадраты равные 1 см кв и сложить см кв

Answer 2

Using a Compass to Find the Length of a Polygonal Line

To find the length of a polygonal line using a compass, you can follow these steps:

1. Draw the polygonal line on a piece of paper. 2. Place the compass at one end of the line segment and adjust the width of the compass to match the length of the line segment. 3. Without changing the width of the compass, place the compass at the other end of the line segment and draw an arc that intersects the line. 4. Measure the distance between the two intersection points on the line segment using a ruler. 5. Repeat this process for each line segment of the polygonal line. 6. Add up the lengths of all the line segments to find the total length of the polygonal line.

It's important to note that this method assumes that the compass width remains constant throughout the process. Additionally, this method is more suitable for smaller polygons with fewer line segments.

Finding the Perimeter of a Polygon without Knowing the Length of Each Side

To find the perimeter of a polygon without knowing the length of each side, you can use the following method:

1. Draw the polygon on a piece of paper. 2. Choose a reference point on the polygon and label it as point A. 3. From point A, draw lines to each vertex of the polygon, creating multiple triangles. 4. Measure the length of each line segment connecting point A to the vertices of the polygon. 5. Add up the lengths of all the line segments to find the perimeter of the polygon.

This method relies on dividing the polygon into triangles and measuring the lengths of the line segments connecting a reference point to the vertices of the polygon. By summing up these line segment lengths, you can find the perimeter of the polygon.

Finding the Perimeter of a Triangle using the Method above

To find the perimeter of a triangle using the method described above, follow these steps:

1. Draw the triangle on a piece of paper. 2. Choose a reference point on the triangle and label it as point A. 3. Measure the length of each line segment connecting point A to the vertices of the triangle. 4. Add up the lengths of all the line segments to find the perimeter of the triangle.

By measuring the lengths of the line segments connecting the reference point to the vertices of the triangle and summing them up, you can find the perimeter of the triangle.

Please note that this method assumes accurate measurements of the line segments and may not be as precise as directly measuring the sides of the triangle.