A triangle with a cross through it indicates ... frequently tops the list on your care label, signifying your quintessential ...

Label the angles and side, leaving the construction lines. Triangles A and D can be constructed using a protractor and ruler. Triangle A includes two angles and the side between them (ASA).

But many people would not be able to tell you what the triangle symbol on a clothes label means, even though you've probably got it on hundreds of items of clothing. The white triangle on clothes ...