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Using the converse hinge theorem to compare angles

👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and ...
Scientific American

2 High School Students Have Proved the Pythagorean Theorem. Here’s What That Means

Two high school students proved the Pythagorean theorem in a way that one early 20th-century mathematician thought would be impossible: by using trigonometry. Calcea Johnson and Ne’Kiya Jackson, both ...