Q2. A wire is in the shape of a rectangle. Its length is 40 cm and breadth is 22 cm. If the same wire is rebent in the shape of a square, what will be the measure of each side? Also find which shape encloses more area?
Q3. PQRS is a parallelogram (Fig 11.23). QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm
and QM = 7.6 cm. Find:(a) The area of the parallelogram PQRS (b) QN, if PS = 8 cm
Q4. DL and BM are the heights on sides AB and AD respectively of parallelogram ABCD (Fig 11.24). If the area of the
parallelogram is 1470 cm2

, AB = 35 cm and AD = 49 cm, find the length of BM and DL.