find x..............????????
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sum of interor Angle is equal to exterior Angles
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90........................
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Sum of interior angles of a triangle = 180 degree.
So, 40 + 50 + y = 180 degree
90 + y = 180 degree
y = 180 - 90
y = 90 degree
Angle QRS = 180 degree ( linear pair )
So,
90 + x = 180 degree
x = 180 - 90
x = 90 degree
HOPE IT HELPS YOU....
So, 40 + 50 + y = 180 degree
90 + y = 180 degree
y = 180 - 90
y = 90 degree
Angle QRS = 180 degree ( linear pair )
So,
90 + x = 180 degree
x = 180 - 90
x = 90 degree
HOPE IT HELPS YOU....
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