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Question

In the given figure, if y=32o and z=40o, then determine x. If y+z=90o, then prove that x=45o.
1348227_5552f1a560eb4d72937f45b331ce329b.png

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Solution

Let BAO=a
Hence OCB=180a
Now, OCD=a
In OCD
a+x+y=180
Now,OAE=180a
InAOE
180a+x+x=180
x+za=180180
x+z=a
Now, x+x+x+y=180
2x+x+y=180
As it is given y+x=90
2x=90
x=45
Henc proved.

1214948_1348227_ans_d4570b70ef964de0be2686b4e9d2de53.PNG

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