A triangle has sides A, B, and C. Sides A and B are of lengths $2$ and $3$ , respectively, and the angle between A and B is $(pi)/2$ . What is the length of side C?

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Answer 1 · 2016-02-13T08:47:07

$C=sqrt13$

As the angle between A and B is $pi/2$ , it is right angled triangle and hence as per Pythagoras theorem

$C^2=A^2+B^2=2^2+3^2=4+9=13$

Hence $C=sqrt13$ .

A triangle has sides A, B, and C. Sides A and B are of lengths 22 and 33, respectively, and the angle between A and B is (pi)/2 (pi)/2 . What is the length of side C?