1. The adjacent sides of a parallelogram are in the ratio 3:7 and its perimeter is 100 cm. Findsides of the parallelogram.2. The angles of a quadrilateral are in the ratio 2:3:4:6. Find the measure of the angles.3.Diagonals AC and BD of a rectangle ABCD intersect each other at point O. If OA=3cm.AC and BD.

1. The adjacent sides of a parallelogram are in the ratio 3:7 and its

1.	1. The adjacent sides of a parallelogram are in the ratio 3:7 and its perimeter is 100 cm. Findsides of the parallelogram.2. The angles of a quadrilateral are in the ratio 2:3:4:6. Find the measure of the angles.3.Diagonals AC and BD of a rectangle ABCD intersect each other at point O. If OA=3cm.AC and BD.
Answer» third question is not clear