2) एका चक्रीय चौकोनाच्या संमुख कोनाच्या मापामधील फरक 12 आहे. तर त्या कोनांची
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Answer:
we know,
sum of measure of opposite angles of cyclic quadrilateral is 180°
hence
by the condition,
x+y = 180°
x-y = 12°
now,
adding both equations we get,
2x = 192
x = 96°
now putting value of x in equation 2 we get
96-y = 12
96-12 = y
y = 84°
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