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In a triangle ABC, (s-a)/11=(s-b)/12=(s-...

In a triangle ABC, `(s-a)/11=(s-b)/12=(s-c)/13`, then `tan^2 (A//2)=`

A

`143//432`

B

`13//33`

C

`11//39`

D

`12//37`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
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  6. In a /\ABC, if a:b:c = 7:8:9, then find cosA:cosB:cosC.

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  14. If H is the orthocentre of Delta ABC, then AH=

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  20. IF alpha,beta,gamma are the lengths of the altitudes of Delta ABC, the...

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