2010 · Q39
ABC is a right triangle with right angle at A. If the value of tan B = 1/√3 then, for any real k the length of the hypotenuse is of the form
Elementary MathematicsTrigonometry
- A3 k
- B2 k
- C5 k
- D9 k
Explanation
tanB=1/√3 gives 30°-60°-90° triangle; hypotenuse=2k.