What's the value of y
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Given:
are three interior angles of any triangle.
To prove:
Solution:
According to the angle sum property of a triangle, the sum of all three interior angle of a triangle is always 180 degrees.
It is given that, are three interior angles of any triangle.
Using the angle sum property of triangles, we get
...(i)
We need to prove,
Taking LHS, we get
[Using (i)]
Hence proved.