6. Identify the true and false statements:
(iv) A quadrilateral separates its interior from its exterior.
The given statement is true as we know, that quadrilateral separates its interior from its exterior by its boundaries.
Calculate the number of sides of a regular polygon, if :
(i) its interior angle is five times its exterior angle.
(ii) the ratio between its exterior angle and interior angle is 2 : 7.
(iii) its exterior angle exceeds its interior angle by 60o.
(iii) Each point on the quadrilateral lies in the interior of the quadrilateral.
(i) No two vertices of a quadrilateral are collinear.
(ii) No three vertices of a quadrilateral are collinear.