Fill in the blanks.
(2) A quadrilateral has sides vertices angles and diagonals.
four, four
four, two
Every quadrilateral has Four sides, Four vertices, Four angles and Two diagonals.
Fill in the blanks : (i) A quadrilateral has ___ sides. (ii) A quadrilateral has ___ angles. (iii) A quadrilateral has ___ vertices, no three of which are ___. (iv) A quadrilateral has ___ diagonals. (v) A diagonal of a quadrilateral is a line segment that joins two ___ vertices of the quadrilateral. (vi) The sum of the angles of a quadrilateral is ___.
______________is a quadrilateral with all sides equal but with diagonals of unequal length.