anything less then 90 degrees
Is an acute angle.
A right angle = 90 degrees
90 degrees
acute is the right answer, because an acute angle is less than 90 degrees so that way a shape that is less than 90 degees is acute
1 acute angle = 1 acute angle
An acute angle has one angle.
There are infinitely many angles which are acute.
obtuse angle
There are 45 degrees in an acute angle
An acute angle is an angle less than 90 degrees.
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It is: 63 degees