Question

if all the angles of a quadrilateral are less than 180 degree then the quardilateral is a :

Answer 1

Answer:

Convex or Concave Quadrilateral....

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Answer 2

Answer:

Convex Quadrilaterals and Concave Quadrilaterals: If each angle of the quadrilateral is less than 180°, it is called a convex quadrilateral. If at least one angle of the quadrilateral is more than 180°, it is called a concave quadrilateral.