BdMO-2019/4 secondary

Discussion on Bangladesh Mathematical Olympiad (BdMO) National
mathlover007
Posts:7
Joined:Sun Dec 10, 2017 5:14 pm
BdMO-2019/4 secondary

Unread post by mathlover007 » Sun Jun 28, 2020 10:33 pm

In this figure ABCD is a trapezium where $AB||CD$. $P, Q,R, S$ are the midpoint of $AB,BD,DC,CA$ respectively. $AC$ and $BD$ intersect at point $O$. Area of $\triangle AOB = 2019$ and area of $\triangle COD = 2020$ .What is the area of quadrilateral $PQRS$?

Ridwan056
Posts:2
Joined:Sun Jan 17, 2021 7:51 pm

Re: BdMO-2019/4 secondary

Unread post by Ridwan056 » Sun Jan 17, 2021 7:52 pm

Is this 1/2? I came up with this solution.

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