Will it lead to any error if we use the simpler definition of acute triangles: "Acute triangle is…

Before diving in and counting, it’s useful to realise that acute triangles are those triangles whose longest side spans less than half the edges of the polygon. Equivalently, the acute triangles are those that contain the center of the polygon. This can be proven using some circle theorems, but I’ll just show a diagram to demonstrate the idea …
How Counting Acute Triangles Leads to a Surprising Formula
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Russell Lim
Nilesh Pawar
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Nov 21, 2021
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Will it lead to any error if we use the simpler definition of acute triangles: "Acute triangle is one which has all three angles < 90° " ?
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Written by Nilesh Pawar237 Followers
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20+ years writing software. Forever Math \ Physics enthusiast.
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