Except Matlab and some basic C, I have no additional knowledge whatsoever about programming. I thought about writing the program in Matlab (octave) and the convert it to C to run in a simple command-line. 1.4K Share 200K views 5 years ago What does it mean to find the diagonal of a rectangle Generally, finding the diagonal of a rectangle means to find the length of the rectangle. I created the image below to help me explain my intentions better. The input would need to be something like: Introduce a value for length:Īnd the output would need to be something like: Seg.A: X coord. This instruction would stop when the point of intersection is reached. Then, the program should repeat the procedure for the next 0.25 mm segment of this diagonal and mark again the end of the segment with its coordinates. Then, I need to map every 0.25 mm point of this diagonal in order to get its coordinates more exactly, from the origin (corner), until the first end of a 0.25 mm segment - the end of the segment would be the coordinates I need. The program will then create a rectangle based on these values, generate two intersecting diagonals from each corner of the rectangle, calculate the length of the diagonal, mark their point of intersection and divide the total length of the diagonal by two, thus marking the length of a segment from each corner of the rectangle to the diagonals's point of intersection.Īfter this, the rectangle needs to be plotted, the origin beeing one of the lower corners of the rectangle. It may sound ambiguous, but I'll explain in the following lines.įor example, the user will input the following values: 0.500 mm in length and 0.800 mm in width. Calculate a to the power of two: a² 25 cm². Decide on the rectangles width for example, b 6 cm.
Lets calculate the diagonal length of the exemplary rectangle: Choose the length of the rectangle for example, a 5 cm. If, for some reason, corner columns were held in to 25’9” x 39’9” to outsides, then diagonal would be 47’ 4-5/16”.I need to write a program that creates a rectangle from user inputted values for the length and width and returns a set of X and Y coordinates for every 0.25mm point on the rectangle's diagonal. The diagonal of a rectangle is a segment that connects two opposite vertices of a rectangle. Less 47 feet leaves 0.707 feet or 8.489 inches (taking decimal of a foot times 12).Ġ.707 feet – 0.667 feet (eight inches) leaves 0.04 of a foot or ½ inch.įrom table above our diagonal is 47’ 8-1/2”.
Finding length of diagonal of a rectangle plus#
This can be done with the Pythagorean Theorem, which gives us:įor Don’s building: 26 feet^2 plus 40 feet^2 = 2276
We can therefore find length of our diagonal by focusing on one of these triangles and determining hypotenuse. We should also note this diagonal divides our rectangle into two congruent right triangles. We note distance (drawn in red) is diagonal of our rectangle, or k. Measurements are from outside of column to outside of column, with girts projecting 1-1/2 inches in all directions from column outsides.Ī picture helps greatly with this problem, so we begin with a rectangular pole barn. Thanks a bunch!”įor those who have not recently utilized their math skills, here is an example: building is 50 feet in width and 84 feet long. My square root for the 26×40 is 47.707441767506 and the square root of 25.9×39.9(took3″ off for girts) is 47.56910762248962 Can you tell me what the measurements are in inches after the decimal points? I just want to make sure I’m getting it exact and need a bit of help from someone experienced. “I’m building a 26×40 pole barn (girts will be nailed to the outside post) and need to finish squaring it up.
Finding length of diagonal of a rectangle manual#
Not until reader DON wrote did I realize this information was missing from our Construction Manual (however not any more):
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