How Do Perpendicular Lines Meet?

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Math Match: A place for opening lines.

Math Match: They've got your number.

Math Match: Should I give away another punchline that I could use later?

We're righting Proofs, and I have to remind the students of the importance of being "Given" that two line segments are perpendicular. And when it doesn't come to them, you have to prompt them, "how do perpendicular lines meet?"

Well, how do all the other lines meet these days?

No reason to wait to Valentines Day for this one -- and I'd likely forget about it by then.

I also write Fiction! You can now order Devilish And Divine, edited by John L. French and Danielle Ackley-McPhail, which contains (among many, many others) three stories by me, Christopher J. Burke about those above us and from down below. Order the softcover or ebook at Amazon. Also, check out In A Flash 2020, by Christopher J. Burke for 20 great flash fiction stories, perfectly sized for your train rides. Available in softcover or ebook at Amazon. If you enjoy it, please consider leaving a rating or review on Amazon or on Good Reads.

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