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That shape is called a circle.
Equilateral
Yes. In a perfect sphere the centre is an equal distance from any point from the surface.
because that's the rule. angle of incident ALWAYS = angle of reflection.
A spherical surface, with its center at the given point, and its radius equal to the given distance.
That shape is called a circle.
a circle
Equilateral
Yes. In a perfect sphere the centre is an equal distance from any point from the surface.
The center is at the midpoint; 1/2 Distance between them.
A sphere
a sphere
vertices
Yes, that is correct
They are congruent They are equidistant from the center of the circle.
yes.
A circle.