I made this Powerpoint presentation to show clearly how the interior angles of any polygon are calculated by dividing each polygon into triangles. My pupils already know that the angle sum of a triangle is 180 degrees.
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Thanks!
Thank you for sharing a great resource.
Just what i needed. Clear and concise. Thank you!
Saved me so much work! Thank you.
That's at least an hour of my life that I owe you. Perfect resource, thanks for sharing.
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