An angle of 137 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees
the SGH-A137 handset does not support Bluetooth. http://ars.samsung.com/customer/usa/jsp/faqs/faqs_view.jsp?SITE_ID=22&PG_ID=557&PROD_SUB_ID=558&PROD_ID=1331&AT_ID=148835
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A straight angle
A right angle
Straight angle
A reflex angle.
An acute angle
Obtuse angle
An acute angle
acute angle
straight angle.
Right Angle.