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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: properties of triangles
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[Post New]27 Mar 2008 17:20:26 IST
    Subject: properties of triangles
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m.viddya (101)

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Q.In triangle ABC if sinA+sinB+sinC=1+2
                  cosA+cosB+cosC=root2
then the triangle is?
 
1.equilateral
2.isosceles
3.right angle
4.right angled isosceles
    
[Post New]27 Mar 2008 17:41:57 IST
    Subject: Re:properties of triangles
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sandeepramesh (1247)

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for an objective paper it suffices to see that its a right triangle of angles 45, 45 and 90
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[Post New]27 Mar 2008 18:02:51 IST
    Subject: Re:properties of triangles
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armaan (238)

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isosceles right triange...
because it also satifies
sinA +sinB+sinC=4 cosA/2cosB/2cosC/2
its hard to manage cuZ everyday zz a challenge... n i am slipping .., can't loose up balance ..
i Try nOh to panic..!
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