ln the following figure the measure of A is
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bhai photo bhi de deta na
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Answer:
We have for a cyclic quadrilateral the sum of opposite angles is 180
o
.
Then form the picture we've,
x+2y=180
o
.......(1).
Again,
2x−y+x−2y=180
o
or, x−y=60
o
....(2).
Now subtracting (2) form (1) we get,
3y=120
o
or, y=40
o
.
Then x=100
o
.
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