A Quadrilateral has …….vertices and …….diagonals
We know that,
A Quadrilateral has 4 vertices and 2diagonals.
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 ___.
The vertices of a quadrilateral are A (-2, 6), B (1, 2), C (10, 4) and D (7, 8). Find the equations of its diagonals.