

Как найти этот угол в треугольнике?
How do you find this angle in the triangle?
У квадрата четыре прямых угла.
A square has four right angles.
Сумма углов треугольника — сто восемьдесят градусов.
The sum of the angles of a triangle is one hundred and eighty degrees.
"угол" is in the lesson "Science" (Level 39), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 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.