Tag: sum of the lengths of two sides of a triangle
Questions Related to sum of the lengths of two sides of a triangle
O is a point that lies in the interior of $\Delta ABC$. Then $2(OA - OB -OC) > \text{Perimeter}\ of\ \Delta ABC$.
Sum of the length of any two sides of a triangle is always greater than the length of third side.
$\dfrac{\sin 2x}{2\cos x}=\tan x \ \ ?$
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