But What's the Radius?

Geometry Level 1

A square is inscribed in a circle. Which of these shapes has a larger perimeter? The square, or the circle?

The circle They have the same perimeter The square

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2 solutions

Ahmad Saad
Aug 3, 2016

Gabor Koranyi
Aug 23, 2018

Look at the corners - the sjortest way between 2 corners is the straight lien, so the path along the circle is longer.

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