trigonometry

Question: If the sides of a triangle are p,q and$\sqrt{{{p}^{2}}+pq+{{q}^{2}}}$ , then the biggest angle is

1) $\pi /2$

2) $2\pi /3$

3) $5\pi /4$

4) $7\pi /4$

Solution:

Explanation: No Explanation

Relation between sides and angles Solutions of triangles

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