78 is an acute angle as it is less than 90,
144 is an obtuse angles as it is between 90 and 180
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An angle of 78 degrees is an acute angle because it is greater than 0 but less than 90 degrees.
63 degrees because 180 -39 -78 = 63
Interior angle: 144 degrees
Each interior angle of a regular decagon is 144 degrees
It is an angle whose measure is 144 degrees!
An angle of 78 degrees is an acute angle
Any polygon can have an interior angle of 144 degrees. The measurement of an interior angle of a decagon is 144 degrees.
An angle whose measure is 78 degrees!
78 degrees is an acute angle
Each interior angle of a regular decagon is 144 degrees
90-78 = 12 degrees
Each interior angle measures 144 degrees
yes it is
144˚
An acute angle.
Suppose the angle is x then its supplement is 180 - x so 180 - x = x - 78 that is, 258 = 2x or x = 258/2 = 129 <><><><><> Angle + Supplement = 180 Angle = Supplement + 78 Solve for the system of equations... Angle + Supplement = 180 Angle - Supplement = 78 ------------------------------------- 2 Angle = 258 Angle = 129 Supplement = 51