Two circles of radii a and b (a < b) touch externally. Length of the direct common tangent from the point of intersection of the direct common tangents to the smaller circle is

Two circles of radii a and b touch each other externally and theta be the angle between their direct common tangents (a>b>=2) then

Two circles of radii a and b cut each other at an angle theta then length of common chord is

Two circles of radii a and b touching each other externally, are inscribed in the area bounded by y=sqrt(1-x^2) and the x-axis. If b=1/2, then a is equal to (a) 1/4 (b) 1/8 (c) 1/2 (d) 1/(sqrt(2))

Two circles of radii a and b touching each other externally,are inscribed in the area bounded by y=sqrt(1-x^(2)) and the x-axis.If b=(1)/(2), then a is equal to (1)/(4) (b) (1)/(8)(c)(1)/(2) (d) (1)/(sqrt(2))

Two circles of radii a and b touching each other externally, are inscribed in the area bounded by y=sqrt(1-x^2) and the x-axis. If b=1/2, then a is equal to (a) 1/4 (b) 1/8 (c) 1/2 (d) 1/(sqrt(2))

Two circles of radii a and b touching each other externally, are inscribed in the area bounded by y=sqrt(1-x^2) and the x-axis. If b=1/2, then a is equal to (a) 1/4 (b) 1/8 (c) 1/2 (d) 1/(sqrt(2))

Two concentric circles of radii a and b(a gt b) are given. Find the length of the chord of the larger circle which touches the smaller circle.

Two concentric circles of radii a and b (agtb) are given . The chord AB of larger circle touches the smaller circle at C, the length of AB is ……

Two circle of radii a and b touch the axis of y on the opposite side at the origin, the former being on the possitive side. Prove that the other two common tangents are given by (b-a) x+-2sqrt(ab) y-2ab=0 .

Two circle of radii a and b touch the axis of y on the opposite side at the origin, the former being on the possitive side. Prove that the other two common tangents are given by (b-a) x+-2sqrt(ab) y-2ab=0 .