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The length of the sides CB and CA of a t...

The length of the sides CB and CA of a triangle ABC are given by a and b, and the angle C is `2pi//3`. The line CD bisects the angle C and meets AB at D. Then the length of CD is

A

`(a^(2)+b^(2))/(2(a+b))`

B

`(ab)/(2(a+b))`

C

`(1)/(a+b)`

D

`(ab)/(a+b)`

Text Solution

Verified by Experts

The correct Answer is:
D
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