step by step do this sum and say me how to find the value of X
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such a easy question Yaar
just put the formula and get the answer
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Step-by-step explanation:
sum of all the angles of triangle =180°
in triangle OAB ,
angle O =70°
angle A=x
side OA=OB[radius of circle]
now,
angleA+angleB+angleC=180°
70+X+X=180
2x=180-70
X=110/2=55
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