Circle of radius 2 are attached on the vertices of a triangle with sides length 8,11 and 12. Find the length of a rope that is required to cover those three circles shown in figure :

1.Circles of radius 2 are centered at the vertices of a triangle with sides lengths 8,11 and 12. Find the length of a belt that fits tightly around those three circles as shown in the figure (A) 31+4pi(B)31+6pi(C)31+pi(D)31+2pi.

The three vertices of a triangle are (3,0) (0,4) and (-8,-2) . Find the length of its largest side.

What is the radius of a circle inscribed in a triangle with sides of length 12cm, 35cm and 37cm?

. Find the length of the side of a regular hexagon inscribed in a circle of radius r meters

Find the radius of the circle passing through the vertices of a right angled traingle the lengths of whose perpendicular sides are 8 and 15.

If the perpendicular distance from the centroid of an equilateral triangle to one of its sides is 'a' find the length of the radius of the inscribed circle

If the perpendicular distance from the centroid of an equilateral triangle to one of its sides is 'a' find the length of the radius of the circumscribed circle.

Find the coordinates of the vertices of an equilateral triangle of side 2 a as shown in Figure.