CBSE XII Science Maths Three Dimensional Geometry
what is a circumcenter of a tetrahedron???
CBSE XI Science Maths Introduction to Three Dimensional Geometry
Three circles of radii 1, 2 and 3 units respectively touch each other externally in the plane. The circumradius of the traingle formed by joining the centers of the circles is
a) 1.5 b) 2 c) 2.5 d) 3
Three circles of radii 1, 2 and 3 units respectively touch each other externally in the plane. The circumradius of the traingle formed by joining the centers of the circles is
a) 1.5 b) 2 c) 2.5 d) 3