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In DeltaABC, AD is the altitude from A, ...

In `DeltaABC, AD` is the altitude from A, if `b gt c, C=23^(0), AD=(abc)/(b^(2)-c^(2))` then `angle B=`

A

`70^(@)`

B

`113^(@)`

C

`123^(@)`

D

`103^(@)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PROPERTIES OF TRIANGLES-LECTURE SHEET EXERCISE - I ( Straight Objective Type Questions )
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