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January 25, 2015

January 25, 2015

Posted by **sherianna** on Monday, February 10, 2014 at 8:22pm.

- algebra2 -
**Steve**, Monday, February 10, 2014 at 8:26pmsince the chord forms the base of an isosceles triangle, the other angles are 45° and 90°. The radii form the 90° angle, so 2r^2 = 4^2, and r=2√2.

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