Here it is
https://www.facebook.com/groups/3601326 ... =bookmarks
Search found 22 matches
- Wed Mar 27, 2019 6:59 pm
- Forum: Junior Level
- Topic: BDMO 2016 Regional
- Replies: 17
- Views: 107597
- Fri Mar 15, 2019 7:47 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Higher Secondary 2019/7
- Replies: 7
- Views: 11269
Re: BdMO National Higher Secondary 2019/7
Have you got the solution of this problem???
- Fri Mar 15, 2019 7:45 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Junior 2019/6
- Replies: 4
- Views: 57899
Re: BdMO National Junior 2019/6
I don't understand the solution.
How the area of APQD is (3/4)ADB, PBCS is (3/4)ABC, CSR is (1/4)ACD, DQR is (1/4)DBC???
Can you please narrate the solution?
How the area of APQD is (3/4)ADB, PBCS is (3/4)ABC, CSR is (1/4)ACD, DQR is (1/4)DBC???
Can you please narrate the solution?
- Fri Mar 15, 2019 7:11 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Primary 2019#5
- Replies: 3
- Views: 9701
Re: BdMO National Primary 2019#5
It's a very easy problem.
The answer is 17.
The answer is 17.
- Thu Mar 14, 2019 7:04 pm
- Forum: Junior Level
- Topic: BDMO 2016 Regional
- Replies: 17
- Views: 107597
Re: BDMO 2016 Regional
No need to get because I've already solve it
The answer is 112.
The answer is 112.
- Mon Mar 11, 2019 11:48 pm
- Forum: Junior Level
- Topic: BDMO 2016 Regional
- Replies: 17
- Views: 107597
Re: BDMO 2016 Regional
Ok...it's not a fact. Please try to give me the solution when you get it...
- Mon Mar 11, 2019 11:47 pm
- Forum: Junior Level
- Topic: BDMO 2016 Regional
- Replies: 17
- Views: 107597
Re: BDMO 2016 Regional
Why are you not eager to prove this??? This is a very interesting problem.
- Mon Mar 11, 2019 11:40 pm
- Forum: Junior Level
- Topic: BDMO 2016 Regional
- Replies: 17
- Views: 107597
Re: BDMO 2016 Regional
No...no...this isn't the standard of math. You need to prove it.
- Mon Mar 11, 2019 11:37 pm
- Forum: Junior Level
- Topic: BDMO 2016 Regional
- Replies: 17
- Views: 107597
Re: BDMO 2016 Regional
How do you get those angle's value?
- Mon Mar 11, 2019 11:28 pm
- Forum: Junior Level
- Topic: BDMO 2016 Regional
- Replies: 17
- Views: 107597
Re: BDMO 2016 Regional
Once upon a time,I tried a lot to solve this problem but didn't find the answer.I think this is not a very tough problem. If you connect the centers you will get a rhombus with angles $100,100,80,80$ Than $\tan\theta=\tan {40}=\dfrac {42}{X}\Rightarrow X=50\Rightarrow 2X=\fbox {100}$(about) Here, $...