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Q.

In the given figure, AB || DC and AB || DC and AC is a diagonal. If BAC= 35 o ,CAD= 40 o ,ACB= x o   and ACD= y o ,   the values of x and y are:


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a

x = 45 o   and y = 35 o  

b

x = 40 o   and y = 35 o  

c

x = 40 o   and y = 30 o  

d

x = 40 o   and y = 45 o   

answer is B.

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Detailed Solution

Given a figure as follows,
Question ImageSince DC || AB, y and 35 o   are alternate interior angles, so
y = 35 o  .
Now AD || BC, x and 40 o   are alternate interior angles, so
x = 40 o  .
Therefore, x = 40 o   and y = 35 o  .
Hence, option 2 is correct.
 
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