In this worksheet, you must say whether a letter has any** right angles**.

A **right angle** is a 90 degree angle or a quarter turn at a corner.

The corner of your page in your exercises book is a right angle.

The corner of the window in your classroom is a right angle.

The corner of the door is a right angle.

The corners of a square are right angles.

**Examples**

The letters H and T have right angles.

They have 90 degree corners as shown by the blue squares below.

The letters C and A have none.