Page 1 of 1

BdMO National Primary 2011/6

Posted: Fri Feb 11, 2011 12:24 pm
by Moon
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 (11.17KiB)Viewed 2319 times

Re: BdMO National Primary 2011/6

Posted: Sun Feb 10, 2019 3:32 pm
by samiul_samin
Answer
$\fbox{13}$
Solve
$a^2+b^2=c^2$
$5^2+12^2=169=13^2$
$c=13$