Junior Sylhet 12th bdmo

For students of class 6-8 (age 12 to 14)
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barnik
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Junior Sylhet 12th bdmo

Unread post by barnik » Fri Dec 05, 2014 2:28 pm

In quadrilateral ABCD, AB=BC=CD. The value of angle BAC is 40 degree and the value of angle CAD is 30 degree what is the value of angle ADC.

This is a question of the junior category of the divisional round of sylhet of the 12th BdMO
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Raiyan Jamil
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Re: Junior Sylhet 12th bdmo

Unread post by Raiyan Jamil » Thu Dec 18, 2014 10:40 pm

I think it will be 100 or, 80.
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tanmoy
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Re: Junior Sylhet 12th bdmo

Unread post by tanmoy » Fri Dec 19, 2014 11:18 am

Raiyan Jamil wrote:I think it will be 100 or, 80.
But you have to prove it.
"Questions we can't answer are far better than answers we can't question"
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Raiyan Jamil
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Re: Junior Sylhet 12th bdmo

Unread post by Raiyan Jamil » Sat Dec 20, 2014 3:43 pm

barnik wrote: This is a question of the junior category of the divisional round of sylhet of the 12th BdMO
Sorry, I read the question wrong. But, @barnik please explain to me from where have you got this question. I've cheaked the sylhet question of 12th math olympiad. And I saw no such question that you gave. :? :?:
A smile is the best way to get through a tough situation, even if it's a fake smile.
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