Area of the Quadrilateral

Consider the - following statements in respect of a quadrilateral : 1. The line segments joining the midpoints of the two pairs of opposite sides bisect each other at the point of intersection. 2. The area of the quadrilateral formed by joining the midpoints of the four adjacent sides is half of the total area of the quadrilateral. Which of the statements given above is/are correct ?

The lengths of two adjacent sides of a cyclic quadrilateral are 2 units and 5 units and the angle between them is 60^(@) . If the area of the quadrilateral is 4sqrt(3) sq. units, then the perimeter of the quadrilateral is

Find the area of given quadrilateral."

The area of a quadrilateral whose vertices are 1,i,omega,omega^(2), where (omega!=1) is a imaginary cube root of unity, is

Which of the following is not an auxillary fromula for the area of a quadrilateral i.e., A=(d)/(2)(h_(1)+h_(2)) ?

Find the area of a quadrilateral whose diagonals measur 48m and 32m respectively and bisect each other at right angles.

" The area of a quadrilateral formed by the points "(1,2),(2,-3),(-2,4)" and "(0,5)" is (in sq.units) "