Properties of TriangleHard

Question

The hypoteneous BC = a of the right angle triangle ABC has been divided into 5 equal intervals. Let h denotes the altitude corrosponding to the hypoteneous and the central interval subtends an angle α at A, then tan is equal to -

Options

A.
B.
C.
D.

Solution

           
Let PQ is the central interval, F is mid point of BC & A is origin.




[24(b2 + c2)] ∵ = 0
= a2
tan α =

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