BdMO National Junior 2009/6

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samiul_samin
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BdMO National Junior 2009/6

Unread post by samiul_samin » Sun Feb 24, 2019 10:58 am

A square is divided into three pieces of equal area as shown.The distance between the parallel lines is $1$ $cm$.What is the area of the square?
Screenshot_2019-02-24-10-55-35-1.png
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samiul_samin
Posts:1007
Joined:Sat Dec 09, 2017 1:32 pm

Re: BdMO National Junior 2009/6

Unread post by samiul_samin » Mon Feb 25, 2019 11:30 am

All of the three areas have same area.According the question there height is same.So there base must be same.That's why the length of the one side of the square is $1×3=3$.
The area of the square $=3\times 3=9$.
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