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obtuseangle,acuteangle

experiment results of i-shaped block walls (obtuse angle type).
experiment results of i-shaped block walls (obtuse angle type).of angles: 锐角 acute angle 直角 right angle 钝角 obtuse angle
of angles: 锐角 acute angle 直角 right angle 钝角 obtuse anglefile:obtuse angle (geometry).png
file:obtuse angle (geometry).pngplane-of-page-have-obtuse-angle-and-dash-wedge-have-acute-angle
plane-of-page-have-obtuse-angle-and-dash-wedge-have-acute-angleobtuse angle
obtuse angle
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