Question

a quadrilateral in which all angles are less than 180degree is called a ______ quadrilateral.

Answer 1

Answer:

convex quadrilateral

Answer 2

Answer:

A quadrilateral in which all angles are less than 180° is called a convex quadrilateral.

Step-by-step explanation:

If each angle of the quadrilateral is less than 180°,

It is called a convex quadrilateral.

Hope it helps...