The ball skewed off at a right angle.

球呈直角偏离弹了出去。

《牛津词典》

A right Angle is an Angle of 90 degrees.

直角为90度。

《新英汉大辞典》

In order to describe human beings, he should keep the palm of his hand at a right angle to the floor.

为了描述人类，他应该保持手掌与地面成直角。

youdao

Another way to represent a point in a plane is I've got a radius and I've got an angle from the x-axis, right, and that's a standard thing you might do.

平面上面的点的方法,也就是极坐标,上面那种方法其实是，如果你们喜欢我这么说的话,笛卡尔坐标表示法。

麻省理工公开课 - 计算机科学及编程导论课程节选

So this is giving me now that template, better way of saying it, all right, a template now, for a point is x, y, radius, angle.

其他的方法来进行计算，但是这就是典型的我，要放置它们的地方，因此这就给了我一个模板。

麻省理工公开课 - 计算机科学及编程导论课程节选

He made a turn into a street at a right angle to the one we were on.

NEWYORKER: Midnight in Dostoevsky

When he landed, his right leg snapped midway between his ankle and knee, the bone skewing almost at a right angle.

NPR: Louisville Beats Duke 85-63 To Reach Final Four

Ware's leg buckled when he landed, bending almost at a right angle.

NPR: Louisville's Ware Breaks Leg In Tourney Game