The sum of all the four angles of a
quadrilateral is 360°
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5
Answer:
true sum of all angles of quadrilateral is 369
Answered by
3
Answer:
let the angles be a,b,c,d and we know a+b=180-----------(1)
c+d=180-------(2)
adding (1) and (2) we get
a +b+c+d =360
hence proved
Step-by-step explanation:
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