

Each angle in a square is ninety degrees.
[ˈitʃ ˈæŋɡəl ˈɪn ə ˈskwɛr ˈɪz ˈnaɪnti dɪˈɡriz.]
We measured the angles with a protractor.
[wi ˈmɛʒərd ðə ˈæŋɡəlz ˈwɪθ ə proʊˈtræktər.]
Can you tell me how big this angle is?
[kən jə ˈtɛl ˈmi ˈhaʊ ˈbɪɡ ˈðɪs ˈæŋɡəl ˈɪz?]
"angle" is in the lesson "Science" (Level 39), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,375 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.