annawood357 annawood357

03-02-2020
Mathematics

contestada

I need help please and thank you

I need help please and thank you class=

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manjotsanghera628 manjotsanghera628

03-02-2020

If you are considering all the vertices independently you will have a total of 8*10 = 80 triangles. You can figure out this way: the sum of the interior angles of a decagon = (2n-4)*right angles or (n-2)*triangles. So a decagon will form 8 triangles.

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