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ABCD is a cyclic quadrilateral. Given th...

ABCD is a cyclic quadrilateral. Given that `angleADB+angleDAB=120^(@)` and `angleABC+angleBDA=145^(@)`. Find the value of `angleCDB`.

A

`75^(@)`

B

`115^(@)`

C

`35^(@)`

D

`45^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • In a cyclic quadrilaterals ABCD, angleA=4x, angleC=2x the value of x is

    A
    `30^(@)`
    B
    `20^(@)`
    C
    `15^(@)`
    D
    `25^(@)`

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