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Is the angles 40,30,110 acute obtuse or right

User MaikoID
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40 is acute 30 is acute and 110 is Obtuse
User Pelshoff
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40 is an acute angle.
30 is an acute angel.
110 is an obtuse angle.

The easiest way to remember is anything below 90° (which is a right angle) is acute (think, cute = small). Anything above 180° is obtuse.
User Hiraku
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