| The mechanism sees the device forming a tent-like shape, with the screen folded in a reflex angle, facing upward. |
| It is helpful in trigonometry, and it saves confusion in the case of a reflex angle in a polygon. |
| Without notice and forewarning, he had come in at his subjects at a reflex angle. |
| Look down and all you can see is lush jungle foliage slipping away at a reflex angle that would make a maths teacher proud. |
| The angle formed by the right side of the first quadrilateral and the left side of the second quadrilateral is not a straight angle or a reflex angle. |
