the anwser is diameter
It is the radius of a circle or of a sphere
A circle or a sphere
It is a circle or a sphere that fits the given description
A straight line passing from side to side going through the middle of a circle or sphere is a diameter.
the distance across the middle is the radius and whole distance across it is the diameter
the anwser is diameter
Diameter is distance across a circle or sphere, circumference is the distance around a circle or sphere
No. The circumference is the distance around a circle or equaltor wheras the radius is the distance from the centre of a sphere (the centre of the earch if you will) to the surface. the diameter is twice the distance of the radius and is the distance from the surface of a sphere, through the middle point across to the other surface.
The precise definition of the word 'centres' is the middle point of a circle or a sphere. This means the point is an equal distance from every point on the circle/sphere.
It is a circle or a sphere
It is the radius of a circle or of a sphere
A great circle is any circle on the surface of a sphere whose center is at the center of the sphere. The shortest distance between two points on the surface of a sphere is a part of the great circle that passes through them.
Treat the 3D sphere as a 2D circle. The radius for the sphere is the same radius as for the circle. No matter where on the sphere you place a mark, the distance (radius) from the mark to the centre of the sphere will always be the same as the circle.
A circle or a sphere could fit the given description
A circle or a sphere
A circle or sphere.