The two adjacent sides of a cyclic quadrilateral are 2 and 5 units and the angle between them is 600.
lf the third side is 3 units, the remaining fourth side is?
A
2
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B
3
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C
4
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D
5
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Solution
The correct option is A2
First draw △ABC with AB=2,BC=5and∠ABC=60o. Then find its circum center O and then draw the circle. Then from C draw an arc of radius 3 units to cut the circle at D. Join AD. We have to find AD.