एक चतुर्भुज के तीन कोण क्रमशः 100°, 110°
तथा 85° हैं, तो इसके चौथे कोण का मान
होगा-
(A) 55⁰
(B) 65⁰
(C) 75⁰
(D) 85⁰
Answers
Answered by
1
Answer:
if ABCD is a quadrilateral then sum of all angles of ABCD is 360.
so,
100+110+85+x=360
295+x=360
x=360-295
x=65
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