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mostly the irregular polygons have more acute angles. acute angles are less than 90 degrees so you could measure with an angle ruler or a protractor.ANSWERa staplerANSWERAn open safety pin
acute angles are angles that are smaller than 90 degrees. all acute angles are all angles that are less than 90degrees
There are three acute angles in an acute triangle and they add up to 180 degrees.
In every pair of complementary angles, both of them are acute angles.
Acute angles of angles that have a magnitude less than 90 degrees.