If three angles of a quadrilateral are 100 , 50 and 50. Find the fourth angle.
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The three angles of a quadrilateral are 100,50and 50
consider the fourth angle be x
STEPS
100+50+50+x=360(quadrilateral side has 360°)
200+x=360
x=360-200
x=160
The fourth angle is 160°
EXPLANATION
We find the fourth angle in a quadrilateral when the measurements of three angles of a quadrilateral are known, then subtract the three angles from360° to calculate the missing angle.
Quadrilateral is a closed shape that is formed by joining four points among which any three points are non- collinear. A quadrilateral has four sides ,4 angles, and 4 vertices. quadrilateral is derived from a Latin word.
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