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British pronunciation of 

right-angled triangle

view main entry for right-angled triangle noun  /ˌraɪt æŋɡ(ə)ld ˈtraɪæŋɡ(ə)l/
British English pronunciation: right-angled triangle
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to move your finger across the touch screen of a tablet or smartphone in order to move to a new page, make a choice, etc.

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