the measure of the three angles of a quadrilateral are 40 degrees,110 degree and 80 degree find the measure of the fourth angle
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Answer:
360-230= 130 degree
Step-by-step explanation:
The angles of a quadrilateral add up to 360 degree therefore assuming the fourth angle as x the equation would be
360- (80+110+40+x) Or 80+110+40+x= 360
Answered by
1
ANSWER:-
Answer is 130°
STEP BY STEP EXPLANATION:-
Sum of angles in a quadrilateral= 360°
40°+ 110°+ 80°+ x = 360°
= 230°+ x = 360°
= x = 360°- 230°
= x = 130°
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