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- DictionaryRight tri·an·gle/rīt ˈtrīˌaNGɡəl/
noun
- 1. a triangle with a right angle. North American
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- Right triangle
Triangle in which one angle is a 90-degree angle
A right triangle or right-angled triangle, sometimes called an orthogonal triangle or rectangular triangle, is a triangle in which two sides are perpendicular, forming a right angle ( 1⁄4 turn or 90 degrees). The side opposite to the right angle is called the hypotenuse (side in the figure). The sides adjacent to the right angle are called legs . Wikipedia
