Length of a rectangle calculator11/8/2023 ![]() In the sections below, we go into further detail on how to calculate the length of a segment given the coordinates of its endpoints. This coordinate plane representation of a line segment is very useful for algebraically studying the characteristics of geometric figures, as is the case of the length of a line segment. This implies that a line segment can be drawn in a coordinate plane XY. According to the definition, this actually corresponds to a line segment with a beginning and an end (endpoints A and B) and a fixed length (ruler's length).īut what if the line segment we want to calculate the length of isn't the edge of a ruler? Great question! Another way to determine the length of a line segment is by knowing the position (coordinates) of its endpoints A and B. Returning to the ruler, we could name the beginning of the numbered side as point A and the end as point B. The line segment between points A and B is denoted with a top bar symbol as the segment A B ‾ \overline A B. Being different from a line, which does not have a beginning or an end. "A line segment is a section of a line that has two endpoints, A and B, and a fixed length. With these ideas in mind, let's have a look at how the books define a line segment: A line segment is one of the basic geometric figures, and it is the main component of all other figures in 2D and 3D. What if the scenario gives you the area but you need to calculate a side Suppose you know a + b but not a Simply divide the area by ( a + b) to get the missing side, a. The calculator will quickly check your work for you. In geometry, the sides of this rectangle or edges of the ruler are known as line segments. To calculate the area of the golden rectangle by hand, simply take the width a and multiply by the length a + b. If we look again at the ruler (or imagine one), we can think of it as a rectangle. ![]() Perhaps you have a table, a ruler, a pencil, or a piece of paper nearby, all of which can be thought of as geometric figures. If you glance around, you'll see that we are surrounded by different geometric figures.
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