inside the circles `x^2+y^2=1` there are three circles of equal radius `a` tangent to each other and to `s` the value of `a` equals to

Inside the unit circle 'S=x^(^^)2+y^(^^)2=1, there are three smaller circles of equal radius a, touches to each other and also touches to S. The value of 'a' equals

Inside the unit circle S={(x,y)|x^(2)+y^(2)=1} there are three smaller circles of equal radus a,touches to each other and also touches to S.The value of a equals

Three circles of equal radius 'a' cm touch each other. The area of the shaded region is :

Three circles of equal radius 'a' cm touch each other. The area of of the shaded region is :

Consider the circles x^2+(y-1)^2=9,(x-1)^2+y^2=25. They are such that these circles touch each other one of these circles lies entirely inside the other each of these circles lies outside the other they intersect at two points.

Consider the circles x^2+(y-1)^2=9,(x-1)^2+y^2=25. They are such that these circles touch each other one of these circles lies entirely inside the other each of these circles lies outside the other they intersect at two points.

Consider the circles x^2+(y-1)^2=9,(x-1)^2+y^2=25. They are such that a.these circles touch each other b.one of these circles lies entirely inside the other c.each of these circles lies outside the other d.they intersect at two points.

Consider the circles x^(2)+(y-1)^(2)=9,(x-1)^(2)+y^(2)=25. They are such that these circles touch each other one of these circles lies entirely inside the other each of these circles lies outside the other they intersect at two points.