Trigonometry can be used to find the length of a side in a triangle. Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing side in a right-angled ...

A high school teacher didn't expect a solution when she set a 2,000-year-old Pythagorean Theorem problem in front of her students. Then Calcea Johnson and Ne'Kiya Jackson stepped up to the challenge.

Tewodrose Nega is trying to find the length of a triangle’s side. “So, I’m guessing we put x over 22 and then we put one-fifth over the other side,” he said, hovering over a piece of paper, madly ...

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