Write the coordinates of the points of a circle with centre as origin and radius '4.5' cuts the axes.

Write the equation of a circle having centre at (a,b) and radius 'r'.

Find the coordinates of the points of the circle of radius 5 and centre '(-2,3)', cut the 'x' -axis. Is.the point '(0,-6)' on the same circle? Examine.

Find the equation of the circle with centre (-3,2) and radius 4 .

Find the equation of the circle with centre at the origin and radius '5 .' Write the coordinates of eight points on this circle.

In the figure, O is the centre of the circle and x^2+y^2=25 is the equation of the circle. Write the equation of the circle whose centre is at the origin and radius is 3. .

Without drawing coordinate axes mention the positions of 'A(2,1), B(6,1), C(6,5)' as left-right, above-below. Draw coordinate axes, mark the points and complete triangle 'ABC' Which side of the triangle is parallel to 'x' axis . Which side is parallel to 'y' axis Write the coordinates of the midpoint of AB. Write the coordinates of the midpoint of BC. Write the coordinates of the midpoint of AC.

In the figure, O is the origin and A(8,0), B(0,6) are two points.Write the coordinates of the centre of the circle with AB as diameter. .