SOLUTION: OPQR is a quadrilateral. A, B, C and D are the midpoints of OP, PQ, QR and RO, respectively. If OP = p, OR = q and OQ = r, a)Express in terms of p, q and r (i) RQ (ii) CD (iii) O

Question 1136565: OPQR is a quadrilateral. A, B, C and D are the midpoints of OP, PQ, QR and RO, respectively. If OP = p, OR = q and OQ = r,
a)Express in terms of p, q and r (i) RQ (ii) CD (iii) OC and (iv) DA.
b)Show that ABCD is a parallelogram.

Answer by ikleyn(52778)   (Show Source): You can put this solution on YOUR website!
.

Regarding the last question, see the lesson
    - Midpoints of a quadrilateral are vertices of the parallelogram
in this site.

Also, you have this free of charge online textbook on Geometry
    GEOMETRY - YOUR ONLINE TEXTBOOK
in this site.

The referred lesson is the part of this online textbook under the topic "Properties of parallelograms".

Save the link to this online textbook together with its description

Free of charge online textbook in GEOMETRY
https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson

to your archive and use it when it is needed.

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