## Rangpur Secondary (Higher Secondary) 2011/10

Problem for Secondary Group from Divisional Mathematical Olympiad will be solved here.
Forum rules
Please don't post problems (by starting a topic) in the "Secondary: Solved" forum. This forum is only for showcasing the problems for the convenience of the users. You can post the problems in the main Divisional Math Olympiad forum. Later we shall move that topic with proper formatting, and post in the resource section.
Moon
Posts: 751
Joined: Tue Nov 02, 2010 7:52 pm
Contact:

### Rangpur Secondary (Higher Secondary) 2011/10

Problem 10:
$ABCD$ is a rectangle where $AB = 3$, $BC = 6$ and $CD=CE$. The area of the part of the quadrangle $CDGF$ that lies outside the circular arc can be expressed as $a-b \sqrt{3}-\frac{c\cdot \pi}{4}$ where $a$, $b$, $c$ are integers. Find $a+b+c$.
Attachments
2011_11.png (11.96 KiB) Viewed 1483 times
"Inspiration is needed in geometry, just as much as in poetry." -- Aleksandr Pushkin

learn how to write equations, and don't forget to read Forum Guide and Rules.

Tahmid Hasan
Posts: 665
Joined: Thu Dec 09, 2010 5:34 pm

### Re: Rangpur Secondary 2011/10

where is the point $E$ situated?
বড় ভালবাসি তোমায়,মা

Moon
Posts: 751
Joined: Tue Nov 02, 2010 7:52 pm
Contact: