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MS & HS math teacher at @esumstweet, independent #MathEd consultant, dad of 4 awesome boys; Views are my own. Isaiah 40:31
geogebra.org/m/xw3q4umc

フォロー数：1755 フォロワー数：21621
# mtbos iteachmath geometry proof math edtech 3d augmentedreality userfriendly easytouse maths crosssections ios android cube 3dmodel stem steam letstudentscreate letstudentscollaborate letstudentsbuild letstudentstest howtoprove geomchat mathchat hsmath collegemath msmath geometrychat nonagon polygon triangle exteriorangle

Here, we have a right triangle with its incircle, excircle, & points of tangency to be shown. How can we prove the collinearity among the 3 points (shown at the end)? (Source: ). https://t.co/CGNxP7i5Hz

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2019-07-30

Ts: Want to engage your Ss in active modeling fun? 3D has all the tools you need! And we can use to test modeling accuracy! 🙂 Re: getting started: https://t.co/tVhsrPTAcV.

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2019-07-16

Exploring cube w/in in a beta version of coming soon to both & platforms. Love how we’ll be able to plot the intersection of both from INSIDE THE 😮

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2019-07-02

with can help make these ACTUAL REALITIES in our classes. If we live in a 3d world, why remain only in the 2D CP? https://t.co/tVhsrPTAcV

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2019-06-17

Morley's Theorem - Dynamic & modifiable illustrator w/o words: https://t.co/se5j3nEutR. How to prove? 🤔

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2019-05-18

More REGULAR NONAGON wonders (inspired by ). What is the measure of the PINK ANGLE here? For a surprise-cameo-appearance-hint, see https://t.co/PPTBT7rkhB.

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2019-05-15

Dynamic & Modifiable Illustrator (w/o words) Not sure why many texts make this into such "thing" (by calling it a corollary or another theorem). Isn't the original theorem good enough?🤔 https://t.co/9L3SvzdyLS

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2019-05-08

Sum of Measures of a Polygon's Exterior Angles: Alternate modifiable & dynamic illustrators. Explore here: https://t.co/zXdRkaQEym.

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2019-05-03