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X = 140°
Step-by-step explanation:
sum of all angles of exterior angle is equal to 360 degree
x+80+70+70=360
x+220=360
X=360-220=140°
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Question:-
In the given figure ABCD,find the value of x,
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Solution:-
Remember:-
Sum of Interior angels of 4sided figure=Sum of external angels of 4sided figure
Therefore,
Sum of external angels of 4sided figure=360°
70°+80°+70°+x=360°
220°+x=360°
x=360°-220°
=>140°.
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Answer:-
x=140°
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