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In the adjoining figure AB is a diameter...

In the adjoining figure AB is a diameter of the circle with centre 0 .If ` angle BOD = 15^(@) and angle EOA = 85^(@)` the measure of ` angle ECA ` is

A

`45^(@)`

B

`35^(@)`

C

`30^(@)`

D

`70^(@)`

Text Solution

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The correct Answer is:
B
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