BdMO National Primary 2011/6

Discussion on Bangladesh Mathematical Olympiad (BdMO) National
User avatar
Moon
Site Admin
Posts: 751
Joined: Tue Nov 02, 2010 7:52 pm
Location: Dhaka, Bangladesh
Contact:

BdMO National Primary 2011/6

Unread post by Moon » Fri Feb 11, 2011 12:24 pm

Problem 6:
In the diagram, the same square has been represented in two ways. If $a = 5$ and $b = 12$ in this diagram, find the value of $c$. (the white rectangle in the second diagram is a square)
Primary_2011_6.png
Primary_2011_6.png (11.17 KiB) Viewed 1139 times
"Inspiration is needed in geometry, just as much as in poetry." -- Aleksandr Pushkin

Please install LaTeX fonts in your PC for better looking equations,
learn how to write equations, and don't forget to read Forum Guide and Rules.

User avatar
samiul_samin
Posts: 1007
Joined: Sat Dec 09, 2017 1:32 pm

Re: BdMO National Primary 2011/6

Unread post by samiul_samin » Sun Feb 10, 2019 3:32 pm

Answer
$\fbox{13}$
Solve
$a^2+b^2=c^2$
$5^2+12^2=169=13^2$
$c=13$

Post Reply