**(a) In the figure given, ABCD and AEFG are two parallelograms.**

**Prove that area of || gm ABCD = area of || gm AEFG.**

**(b) In the fig. (2) given below, the side AB of the parallelogram ABCD is produced to E. A st. line At through A is drawn parallel to CE to meet CB produced at F and parallelogram BFGE is Completed prove that area of || gm BFGE=Area of || gmABCD.**

**(c) In the figure (3) given below AB || DC || EF, AD || BEandDE || AF. Prove the area ofDEFH is equal to the area of ABCD.**

**Solution:**

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