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- right angle gauge 直角规
- One line cuts another at right angles. 一条线与另一条线成直角相交。
- 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。
- A four-sided plane figure with four right angles. 矩形，长方形具有四个边的方形，有四个直角
- At right angles to a vertical line. 横的与垂直线成90度角的
- It is also compatible with right angle plugs. 它也和直角插头兼容。
- An acute angleis an angle less than a right angle. 小于直角的角叫做锐角.
- THE ANGLE GAUGE BLOCKS are angle measuring standards used to calibrate bevel protracors. 角度量块是一种角度计量基准,适用于万能角度尺和角度样板的检定。
- This is not a right angle, but an acute one. 这不是直角,而是锐角。
- Intersecting at or forming right angles. 成直角的，垂直的交叉成直角的，或形成直角的
- CBAbe a right-angled triangle with right angle CAB. 为一直角三角形,其直角为。
- 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。
- S1: The right angle is straight. 直角是一个直直的拐角.
