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CBSE Class 9 Answered

in the fig if x+y = w+z, then prove tha AOB is a line
Asked by | 16 Jan, 2010, 11:42: AM
answered-by-expert Expert Answer

Dear Student

In the figure

X+Y+Z+W= 360

It is given that  x+y = w+z 

==>  x+y+ x+y=360 ==> x+y=180

and z+w=180

Total angle on a line is 180 ,   and x+y =z+w-180

==>  AOB is a line.

Regards

Team

Topperlearning

Answered by | 16 Jan, 2010, 11:55: AM
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