UmmmHELP
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UmmmHELP
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|dw:1358069518453:dw|
UmmmHELP
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Diagram not to scale...
UmmmHELP
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|dw:1358069619316:dw|
Ganpat
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39 + (3) + 90 = 180...
Find 3...
kritima
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and in the same way you can find angle CAB as the one of the is 90 and another you got from 3 .
UmmmHELP
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Wait...What?
Ganpat
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u see, side AB and side AD are congruent.. so angle D shuld be equal to angle D...
kritima
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|dw:1358070207427:dw|
UmmmHELP
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so 93=180?
Ganpat
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Angle ADB = 51 degree... = angle ABD....
Ganpat
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give couple of minutes, keep looking at the figure and note down your observations..
This shall make the problem easier...
kritima
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yep !
Ganpat is right !
Ganpat
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@UmmmHELP : do u want to do it once again ??
UmmmHELP
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yeah im still confused haha
Ganpat
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no probs, i will draw a new figure, and explain ....
UmmmHELP
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Okay thanks
Ganpat
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From given figure,
Given : angle DAC = 39 , angle AOD = angle AOB = 90
AD = AB, and CD = CB
therefore,
1) ADC + AOD + DAO = 180.. sum of angles in triangle = 180 degree..
ADC + 90 + 39 = 180
ADC = 51 degree
now angle ADO = Angle ABO as they are similar triangles..
therefore AOD + ABO + BAO = 180
BAO + 51 + 90 = 180
angle BAO = 39 degree...
Ganpat
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Hope this will help you...
and thanks @kritima ...
kritima
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heheeh ! you explained it well @Ganpat
UmmmHELP
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Oh okay Thanks
UmmmHELP
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I have a couple more if you could help? I will post them in a different section if you want me to
Ganpat
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yeah sure... i can give a try :)
UmmmHELP
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Okay post on here or new question
Ganpat
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website policy says, new question on new page.. i mean, not a part of this...
UmmmHELP
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Okay one sec