56 degrees is an acute angle becuase it is greater than 0 but less than 90 degrees
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Which is angle 1 and which is 6 and where are all the others?
A central angle of 1 radian is the angle that subtends an arc equal in length to the radius. If diameter = 5 m, then radius = 2.5 m. 2.5 m --> 1 radian 6 m is subtended by (6 / 2.5) = 2.4 radians.
Assuming you mean side AB is 5: If angle B is the right angle, side AC is the hypotenuse and is of length 6. If angle A is the right angle, side BC is the hypotenuse and is of length sqrt(52 + 62) ~= 7.81 Angle C cannot be the right angle as then side AB would be the hypotenuse but the hypotenuse is the longest side and side AB is shorter than AC.
15, 75 and 90 degrees.15, 75 and 90 degrees.
A 5 degree angle is called an acute angle. Any angle less than 90 degrees is acute.