IN □ABCD BC=AD /_ B=110 /_ C=71 FIND /_ A and /_D
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Answer:
Angle sum property = ( n-2)×180
n means sides
= (4-2)×180
= 2 × 180
= 360
according to the question-
a + b + c + d = 360
? + 110 + 71 +? = 360
ad = 360 - 181
= 179
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