25 Pau Gwen AD ABCD such that ARCO show that Ac and a bisect each of

In Delta ABC, AB = AC. D , E and F are mid-points of the sides BC, CA and AB respectively . Show that : AD and FE bisect each other.

ABCD is a parallelogram and P, Q are the mid points of bar(AD) and bar(BC) respectively. Show that : bar(BD) and bar(PQ) bisect each other.

Write the converse and decide whether the converse is true or false. (iv) If ABCD is a parallelogram , then AC and BD bisect each other.

Diagonal AC of a parallelogram ABCD bisects A. Show that it bisects C also

Diagonal AC of a parallelogram ABCD bisects angleA show that If bisects angleC also.

In Figure,ABCD is a quadrilateral and BE|AC and also BE meets DC produced at E show that area of ADE is equal to the area of the quadrilateral ABCD

AD is an altitude of an isosceles triangle ABCD which AB=AC. Show that AD bisects angleA

Diagonal AC of a parallelogram ABCD bisects angleA . Show that (i) it bisects angleC alo (ii) ABCD is a rhombus.

AD is an altitude of an isosceles DeltaABC in which AB = AC. Show that (i) AD bisects BC, (ii) AD bisects angleA .