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.
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.