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Any segment consists of a certain number of points and only two of its endpoints are used to construct the segment, for example, A and B. Their orthogonal projections we need to construct.
Then connect the projections of two points on each screen with a line. So, on each projection screen is ready the segment AB orthogonal projections!
Now replace the existing coordinates of points A and B and check the resulting orthogonal projections of the segment AB. Use the slider to get a flat drawing of the three orthogonal projections in the left window and compare them with the 3D projections of segment AB in the right window. Find the relationship of images - it is necessary to understand how to get projections!
And to consolidate the information received, check how well the receipt of orthogonal projections has become clear.
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