![]() ![]() If you post or comment something breaking the rules, the content may be removed - repeated removal violations may escalate to a ban, but not without some kind of prior warning see here for our policy on warnings and bans. This subreddit is actively moderated to maintain the standards outlined above as such, posts and comments are often removed and redirected to a more appropriate location. Unnecessarily combative or unkind comments may result in an immediate ban. racism, sexism, homophobia, hate speech, etc.). This includes not only comments directed at users of /r/math, but at any person or group of people (e.g. If you upload an image or video, you must explain why it is relevant by posting a comment providing additional information that prompts discussion.ĭo not troll, insult, antagonize, or otherwise harass. Memes and similar content are not permitted. Image/Video posts should be on-topic and should promote discussion. If you are asking for advice on choosing classes or career prospects, please post in the stickied Career & Education Questions thread. Rule 4: No career or education related questions If you ask for help cheating, you will be banned. Do not ask or answer this type of question in /r/math. Homework problems, practice problems, and similar questions should be directed to /r/learnmath, /r/homeworkhelp or /r/cheatatmathhomework. ![]() This includes reference requests - also see our list of free online resources and recommended books. If you're asking for help learning/understanding something mathematical, post in the Quick Questions thread or /r/learnmath. Requests for calculation or estimation of real-world problems and values are best suited for the Quick Questions thread, /r/askmath or /r/theydidthemath. For example, if you think your question can be answered quickly, you should instead post it in the Quick Questions thread. Questions on /r/math should spark discussion. Rule 2: Questions should spark discussion Please avoid derailing such discussions into general political discussion, and report any comments that do so. In particular, any political discussion on /r/math should be directly related to mathematics - all threads and comments should be about concrete events and how they affect mathematics. ![]() All posts and comments should be directly related to mathematics, including topics related to the practice, profession and community of mathematics.Īll posts and comments should be directly related to mathematics, including topics related to the practice, profession and community of mathematics. To measure the radius of the circle, put the point of your draft compass in the center and put the other leg on the boundary of the circle.This subreddit is for discussion of mathematics. You can also see that the reflected portion is a lighter blue. On the right, there’s a circle that has been reflected about a line on top of the symmetry line of the circle. The reflection across this line is in a lighter shade of blue. Below, on the left, there’s a picture showing a circle reflected about a line outside of it, to its right. The small arc will then intersect the auxiliary line at the point you need to draw the reflected figure.Ī circle is a smooth figure without sides or vertices. Make a small arc where that point needs to be on the other side of the mirror line. Mark the distance between this point and the point on the figure you want to mirror with your draft compass. Put the point of the draft compass where the mirror line intersects the auxiliary line. When reflecting a figure, it’s smart to use a draft compass. Now, you’ll learn how to draw these kinds of mirror images of geometric figures, whether the mirror line is located outside of, or on top of, the figures. A figure has a mirror image just like you do-you can imagine looking at yourself in the mirror in the morning. When you reflect a figure, you draw its mirror image. Want to watch animated videos and solve interactive exercises about mirror symmetry? ![]()
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