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MATH / A unit square is rotated 45^(∘) about its center. What is the area of the region swept out by the interior of the square?

Problem

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problem

A unit square is rotated 45∘45^\circ about its center. What is the area of the region swept out by the interior of the square?
Plain-text mathematical notation (without MathML)
A unit square is rotated 45^(∘) about its center.  What is the area of the region swept out by the interior of the square?
Original LaTeX notation
A unit square is rotated $45^\circ$ about its center.  What is the area of the region swept out by the interior of the square?

level

Level 5

type

Geometry

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