three angles of a quadrilateral are the measures 130 degree 82 degree 40 degree find the measure of the fourth angle
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Answered by
17
sum of all angles of quadilateral=360
130+82+40+x= 360
x=360-252
x=108 degree
130+82+40+x= 360
x=360-252
x=108 degree
Answered by
11
A + B + C + D = 360 ( angle sum property of a quadrilateral )
130 + 82 +40 + D = 360
252 + D = 360
D = 360 - 252
D =108 ans.
130 + 82 +40 + D = 360
252 + D = 360
D = 360 - 252
D =108 ans.
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