English version

at right angles (to something)

From Longman Dictionary of Contemporary Englishat right angles (to something)at right angles (to something)HMif two things are at right angles, they make a 90° angle where they touch Hold the brush at right angles to the surface. right angle
Examples from the Corpus
at right angles (to something)The aisles intersect at right angles to form the shape of a cross.
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