The sum of four angles of a quadrilateral is
The sum of four angles of a quadrilateral is
A) 2 right angles
B) 3 right angles
C) 4 right angles
D) 8 right angles
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The sum of four angles of a quadrilateral is
A) 2 right angles
B) 3 right angles
C) 4 right angles
D) 8 right angles