Q. 34.5( 4 Votes )
Complete each of
(i) A quadrilateral has Four sides.
(ii) A quadrilateral has Four angles.
(iii) A quadrilateral has Four vertices, no three of which are collinear.
(iv) A quadrilateral has two diagonals.
(v) The number of pairs of adjacent angles of a quadrilateral is two.
(vi) The number of pairs of opposite angles of a quadrilateral is two.
(vii) The sum of the angles of a quadrilateral is 360°.
(viii) A diagonal of a quadrilateral is a line segment that joins two opposite vertices of the quadrilateral.
(ix) The sum of the angles of a quadrilateral is four right angles.
(x) The measure of each angle of a convex quadrilateral is less than 180°.
(xi) In a quadrilateral the point of intersection of the diagonals lies in interior of the quadrilateral.
(xii) A point os in the interior of a convex quadrilateral, if it is in the interiors of its two opposite angles.
(xiii) A quadrilateral is convex if for each side, the remaining vertices lie on the same side of the line containing the side.
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