An angle of 147 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees
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Remember in a right angles triangle, the right angle is 90 dgrees. The sum of the three angles in a triangle is 180 degrees. Hence x + 57 + 90 = 180 x + 147 = 180 Subtract 147 from boths sides x = 33 degrees.
An angle of 6 degrees is an acute angle
An angle that measures 180 degrees is called a straight angle.
An angle which measure exactly 90 degrees is called a right angle.
An angle of 90 degrees is normally called a right angle.An angle of 90 degrees is a right angle