This worksheet is about spotting acute and obtuse angles.

__Example__

Sort the angles into acute and obtuse.

**(a)**

**(b)**

**(c)**

**(d)**

**(e)**

**(f)**

**Answer**

**Acute angles: ****c, d, e.**

These are less than 90° (a right angle).

**Obtuse angles:**** a, b, f. **

These are more than 90° (a right angle) but less than 180° (a straight line).

Want to understand this further and learn how this links to other topics in maths?

Why not watch this video?