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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 ...
Types of Triangle based on the angles Acute-angled Triangle: all interior angles are acute i.e less than 90 degree. Right-angled Triangle: one of the three interior angle is 90 degree.
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