vertically opposite angles

The term '[i]vertically[/i] opposite' seems to make sense for the pair of angles at the top and bottom, but it's equally, and mystifyingly, correct for the pair which are side-to-side.

 

Pete Capewell

 
Tipo di risorsa
Attività
Tag
angle  angles  geometry 
Gruppo di riferimento (età)
11 – 14
Lingua
English (United Kingdom)
 
 
 
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