Question

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ABCD is a cyclic quadrilateral in which Z BCD = 100° and 2 ABD = 70°
The < ADB is
ABCD एक चक्रीय चतुर्भुज है जिसमें L BCD = 100° एवं 2 ABD = 70° ।
2 ADB
I FT
:
(A)
100°
(B) 70°
(C)
300
(D)
150
46/OS/1-211_A1​

Answer 1

Answer:

• c) 30 because sum of angles of opposite side of a cyclic quadrilateral add up to 180 and hence BAD is 80 and 80 + 70 = 150 and sum of angles in a triangle is 180 so 180-150 is30