find the value of x
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hope it's helpful to you
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Answered by
1
Step-by-step explanation:
Let the quadrilateral be ABCD
as we can see <A = 90°
<B = 180 - 100 ( exterior angle property)
= 80°
<D = 180 - 70 ( exterior angle property)
= 110°
x = <A + <B + x + <D = 360°
x = 90° + 80° + 110° + x = 360°
280° + x = 360°
x = 360° - 280°
x = 80° ans
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