In figure, OABC is a rhombus and O is the centre of circle. Find the value of x.
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Answered by
3
Answer:
90
Step-by-step explanation:
IF WE draw a diameter through O
it become semi cirlce
angle in a semi cirle is of 90
Answered by
5
Answer:
Since OABC is a rhombus
Therefore angle AOB= angle ABC
Angle AOB=x
reflex angle AOC=360-angleAOB
reflex angle AOC=360-x
We know that, angle ABC = 1/2 reflex angle AOC
=> x= 1/2 (360-x)
=> 2x=360-x
=> 3x=360
=> x=120° [answer]
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