Question

What is concave and convex quadrilateral

Answer 1

Answer:

Convex quadrilateral: A quadrilateral is called a convex quadrilateral, if the line segment joining any two vertices of the quadrilateral is in the same region. In a concave quadrilateral at least one angle is a reflex angle, i.e., an angle larger than 180°. ..

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Answer 2

answer- ×convex quadrilateral- is a four - sided polygon that has an interior angle that measures less than 180 degrees each. rectangle has four sides are they are parallel to each other. each angle is 90 degree. ( it has self intersecting) ××concave quadrilateral- one interior angle is greater than 180 and one diagonal lies outside the shape. simple- the quadrilateral does not cross its sides ( it is not self intersecting)