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BdMO Online Forum • View topic - BDMO 2016: National Junior/2

BDMO 2016: National Junior/2

For students of class 6-8 (age 12 to 14)
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BDMO 2016: National Junior/2

Post Number:#1  Unread postby Tasnova Novera » Mon Feb 06, 2017 6:56 pm

Please help me solving BDMO 2016: National Junior/ Question No. 2

The Question is:
ABC is a triangular piece of paper with an area of 500 square units and AB = 20 units. DE is parallel to AB. The triangle is folded along DE. The part of the triangle below AB has an area of 80 square units. What is the area of CDE?

Ref.
http://www.matholympiad.org.bd/question ... 6-national
Tasnova Novera
 
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Re: BDMO 2016: National Junior/2

Post Number:#2  Unread postby Zahin Hasin Rudro » Thu Aug 03, 2017 11:13 pm

[CDE]=225 sq. units
Zahin Hasin Rudro
 
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Joined: Sun Jul 12, 2015 3:52 am


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