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Find the angles

0 votes

Find the angles

image

Graph of the ABCD

 

 

asked Nov 4, 2013 in GEOMETRY by mathgirl Apprentice

1 Answer

0 votes

Let us assume that, The image as,

Observe the above figure, consider ABD and BDC are right triangles.

In ABD,

image                                   image

image.

In BDC,

image

image.

Total angle at Bimage.

image.

answered Apr 30, 2014 by lilly Expert
edited Apr 30, 2014 by lilly

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