Class 11MathematicsTrigonometrical EquationsRelation between sides and angles, Solutions of triangles
DifficultWith the usual notations, if the lengths of the sides of a triangle are $3 \text{ units}$, $5 \text{ units}$, and $7 \text{ units}$, then the largest angle of the triangle is
- A$\frac{\pi}{2}$
- B$\frac{\pi}{3}$
- C$\frac{2\pi}{3}$
- D$\frac{\pi}{4}$
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DifficultIIT 1998
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