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Angles in triangles All triangles have internal angles that add up to 180°, no matter the type of triangle.
Essay How Many Triangles Are There? Here’s How to Solve the Puzzle Counting will get you nowhere. Try a little combinatorics instead. Share full article 146 ...
Angles in equilateral triangles The three angles in an equilateral triangle are equal and they add up to 180 ∘. To find the size of each of these angles divide 180 by 3. 180 ÷ 3 = 60 ∘ ...
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