An obtuse angle is an angle that is bigger than 90° degrees, but doesn’t reach a straight line at 180°. Image caption, ... There are six equal acute angles, so you divide 360º by 6.

The analysis for acute angle closure included 372 patients with the diagnosis and 1488 patients in the control group (mean age, 70.4 years; ... 2.76; 95% CI, 1.11-6.90). ...

A teenager who spent most of her life with her neck twisted at 90-degree angle has undergone life-changing surgery. Afsheen Gul, who has cerebal palsy, also suffers from a rare condition which ...

Therefore since the trig equation we are solving is sin and it is positive (0.5), then we are in the first and second quadrants. We have already found the first solution which is the acute angle ...