maths questions help! (1 Viewer)

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1. IMAGE: http://postimage.org/image/9rvn50fdx/
prove that the interval PQ joining the midpoints of two adjacent sides AB and BC of a parallelogram ABCD is parallel to the diagonal AC, and cuts off a triangle of area one eighth the area of the parallelogram.

2. Question on image: http://postimage.org/image/5lfe3f55x/

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