Obtuse Angles
Different Angles have different names:
An Obtuse Angle is more than 90° but less than 180°
All the angles below are obtuse angles:
Which Angle?
Remember to look carefully at which angle you are being asked to name.
The obtuse
angle is the smaller angle.
It is more than 90° and less than 180°.
 |
| The smaller angle is an Obtuse Angle, but the larger angle is a Reflex Angle |
If you choose the larger angle you have a Reflex Angle (more than 180° but less than 360°) instead:
1782, 3282, 9153, 9154, 1781, 3286, 3287, 8985, 809, 810