Abcd is a quadrilateral a=c ,b=2a ,d =half of a find a b c d explain
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Answer:
a=c=80°. b= 160°. d= 40°
Step-by-step explanation:
Let d be considered as x
so, a= 2x, c= 2x, b= 4x and d= x
Thus a+b+c+d = 360°
= x+2x+2x+4x
= 9x = 360°
x = 360°/9
= 40°
a = c = 2x = 2×40° = 80°
b = 4x = 4 × 40° = 160°
d = 40°
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