Grade 8 (13/7/24)

In the given figure, ABCD is a rectangle, and its diagonals meet at O. Find x if OA = (2x + 4) and OD = (3x+1) Also find BD. 

Three angles of a quadrilateral are in the ratio 4: 6: 3 If the fourth angle is 1000, find the three angles of the quadrilateral. 

Two adjacent angles of a parallelogram are (3x – 4)° & (3x + 10) °. Find the angles of the parallelogram 

One side of a parallelogram is 4.8 cm and the other side is 1 ½ times of this side. Find the perimeter of the parallelogram

The measure of the diagonal of a rectangle is 5 cm. If one of its sides is 3 cm, then find its perimeter.