Obtuse Angle
Definition

An obtuse angle is an angle greater than 90° but less than 180°.

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Instructions text as in global.js

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Real World Examples
http://www.clipart.com_Filename:19375005.jpg http://www.clipart.com_Filename:19282610.jpg http://www.clipart.com_Filename:15870527.jpg

Demonstration
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Instructions text as in global.js

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