The x-axis and y-axis in the co-ordinate system are called the ____________ .
When a point P( x,y) is reflected in x-axis it changes to P' _______________ .
When the point P(x, y) is reflected in y-axis it changes to P' ________________ .
The Congruent Transformation is also known as ________________ .
_______________ and ___________________ are the examples of congruent transformation.
In the reflection, the fixed line is called __________________ .
The object distance and image distance are always __________________ .
In anti-clockwise direction, we rotate a figure in ___________________________ .
While making the angle of 90^{o}, you should draw it in_______________ direction.
When the point is rotated through 180^{o} about origin, the coordinates of the image are _________________ in both direction.