Q 1: A geometrical figure formed by a set of points in space equidistant from a fixed point is space is called ________. hemisphere sphere centre of sphere

Q 2: A fixed point from which every point on the sphere is at the same distance is called _____. diameter of the sphere centre of sphere radius of the sphere

Q 3: Difference of two solid concentric spheres is called a ______. shell spherical shell

Q 4: A plane through the centre of a sphere divides it into two equal parts, each of which is called a _______ hemisphere solid sphere

Q 5: Sphere has symmetry about the _____. diameter centre radius

Q 6: Region is space formed by a sphere is called _____. hemisphere solid sphere

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