Competition problem — Geometry — Maths Olympiad Prep

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Geometry Difficulty 4.1 AIME Find the answer

6. The curve represented by the equation $x^{2}+y^{2}=1 \quad(0 \leqslant x \leqslant 1)$ is what shape?

Your answer

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Solution

6. The arc of the unit circle in the first quadrant (including endpoints).

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