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15 votes
Three angles of a quadrilateral are 72⁰,45⁰ and 113⁰ calculate the fourth angle​

1 Answer

10 votes

Answer:

130

Basic fact:

angles in all quadrilaterals add up to 360 degrees

Explanation:

a=angle

72+45+113+a=360

230+a=360

360-230=a

130=a

User Eldar Djafarov
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