Circle · Mathematics · NDA

If (a, b) is the centre and c is the radius of the circle $x^2 + y^2 + 2x + 6y + 1 = 0$, then what is the value of $a^2 + b^2 + c^2$?

What is the value of $A_1$?

What is the value of $\frac{2(A_1 + A_2)}{ A_1 - 3A_2}$?

If 3x + y - 5 = 0 is the equation of a chord of the circle x2 + y2 - 25 = 0, then what are the coordinates of the mid-point of the chor...

Consider the following in respect of the circle 4x2 + 4y2 - 4ax - 4ay + a2 = 0: 1. The circle touches both the axes.  2.&nb...

What is the area of minor segment ?

What is the area of major segment ?

What is the diameter of a circle inscribed in a regular polygon of 12 sides, each of length 1 cm ?

The centre of the circle passing through the origin and making positive intercepts 4 and 6 on the coordinate axes, lies on the line

What is the equation of the circle which touches both the axes in the first quadrant and the line y - 2 = 0?