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MATH / A circle of radius 5 with its center at (0,0) is drawn on a Cartesian coordinate system. How many lattice points (points with integer coordinates) lie within or on this circle?

Problem

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problem

A circle of radius 5 with its center at (0,0)(0,0) is drawn on a Cartesian coordinate system. How many lattice points (points with integer coordinates) lie within or on this circle?
Plain-text mathematical notation (without MathML)
A circle of radius 5 with its center at (0,0) is drawn on a Cartesian coordinate system. How many lattice points (points with integer coordinates) lie within or on this circle?
Original LaTeX notation
A circle of radius 5 with its center at $(0,0)$ is drawn on a Cartesian coordinate system. How many lattice points (points with integer coordinates) lie within or on this circle?

level

Level 5

type

Algebra

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