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- An angle in a semicircle is a right angle. 半圆所对的圆周角是直角。
- A right triangle has a right angle. 直角三角形有一个角是直角。
- It forms a right angle with the equator. 它与赤道成直角。
- This is a right angle; that is a sharp angle. 这是一个直角，那是一个锐角。
- An angle of 90°is called a right angle. 九十度角称为直角。
- The ball skewed off at a right angle. 球呈直角偏离弹了出去。
- An acute angleis an angle less than a right angle. 小于直角的角叫做锐角.
- This is not a right angle, but an acute one. 这不是直角,而是锐角。
- There are 90 degrees in a right angle. 直角为九十度。
- These two lines form a right angle. 这两条线成一直角。
- You are standing at a right angle to the wall. 你的身体与墙壁成直角。
- This is not a right angle, butan acute one. 这不是直角，而是锐角。
- A right angle is an angle of 90 degrees. 直角为90度。
- He heated the iron rod and bent it into a right angle . 他将铁棒烧热，将其弯成直角。
- Place the table at right angles/at a right angle to the wall. 将桌子放在与墙成直角的地方。
- He heated the iron rod and bent it into a right angle. 他将铁棒烧热,将其弯成直角。
- An angle that is not a right angle or a multiple of a right angle. 一个不是直角也不是直角的倍数的。
- The side of a right triangle opposite the right angle. 直角三角形的相对于直角的边。
- He ran square from the left before flicking the ball through at a right angle. 他从左路内切，然后轻弹皮球精准地挑射入网。
- Begin with the string of length 2 units arranged into a right angle. 从2个单元长度串开始，安排在一个直角里面。
