In the figure,KM is the diameter.The value of x+y is
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I think you forgot to attach the question pic.
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Given : km is a diameter
To Find : value of x + Y
Solution:
KM is diameter
Hence ∠KNM = 90°
∠y = 90° + 40°
=> ∠y = 130° ( exterior angle of triangle = Sum of opposite two internal angles)
∠x = 40° Angle by same chord MN in same arc segment
x + y = 40° + 130°
=> x + y = 170°
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