Question no 6 exencjse
g. E and
side. of a i' on
cuts EE at Q, Prove
S. E and F are mid.ooints of sides AB and
respectively Of a
Prove that AETO is a parallelogram,
10.
4. ABCD is a parallelogram and its diagonals
intersect each other at O. Through O, a
11.
straight line is drawn cutting 'AB in, P and CD
in Q. Prove that OP QO.
5. Prove that in any quadrilateral, the straight
lines joining the mid-points of the sides form
a parallelogram.
6. ABCD is barallelogram. The bisectors of the
angles A and C meet the diagonal BD in P
and Q respectively. Prove that AAPB ACQD.
7. In a quadrilateral ABCD, AB = CD also
LABC = LBCD. Prove that AD and BC
are parallel.