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An angle of 90°, as in a corner of a square, or formed by dividing a circle into quarters.
bend, joint, curve, corner, angle, crookView synonyms
- ‘Only later when I walked the whole of the Thames I found it wiggled and curved with no right angles.’
- ‘If your site includes any corners or other right angles, look for stone that already shows this shape.’
- ‘Zeno also attacked Euclid's proof of the equality of right angles on the grounds that it presupposes the existence of a right angle.’
- ‘He discovered that the sum of the angles of a triangle are two right angles and, when his father found out, he relented and allowed Blaise a copy of Euclid.’
- ‘Give to a philosopher the concept of a triangle, and let him discover in his own way what the relation of the sum of its angles to a right angle might be.’
- ‘They used two sticks in the form of a cross, viewing astronomical objects through the right angle formed by the sticks.’
- ‘It's probably the same size as my current bedroom, but doesn't have the complete lack of right angles that makes my room a living hell to arrange furniture in, which is a plus.’
- ‘She's leaning, in the right of the photo, against a store's glass window that makes a right angle at the corner of the street.’
- ‘Huge cracks blemished the skis, the bindings were grotesquely twisted, and the poles bent at right angles.’
- ‘What we often don't realize is that, in some parts of the world even today, people are not accustomed to seeing straight lines and right angles.’
- ‘It follows that on the earth's surface there is an equilateral triangle with all its angles equal to a right angle.’
- ‘The sum of the angles of a triangle is equal to two right angles.’
- ‘Walls unexpectedly meet at acute and obtuse angles rather than commonplace right angles.’
- ‘The double building in the right angle of the square is the Black Bull Hotel.’
- ‘One day at school we were told that if AB is a diameter of a circle, and C is any point on the circumference, then the angle ACB is a right angle.’
- ‘The nurse extends the patient's arms on padded arm boards and positions the patient's elbows at right angles.’
- ‘He also designed an instrument to divide a right angle into a given number of equal parts.’
- ‘If your walls are meeting at true right angles so that the room is a perfect square or rectangle, you can omit this step.’
- ‘If you draw tangents at P and Q they are at right angles.’
- ‘For example there is a fairly straightforward method to trisect a right angle.’
at right angles (or a right angle) to
Forming an angle of 90° with (something)‘hold the brush at right angles to the surface’
- ‘I guess its just that as you get older, things for some bizarre reason start to look better in alphabetical order, or at right angles to each other, or not all over your bedroom floor.’
- ‘How many times in one day are the hands of a clock at right angles to each other?’
- ‘Ball number six was nicely played back to the bowler amid the huge West Country sigh of relief, and then came the horrified realisation that the umpire's arm was at right angles to his body.’
- ‘He does it again and much more noticeably in the way he tilts numbers of squares of both kinds until one of them in the middle lies at right angles to all the others.’
- ‘The Escort came to rest across two lanes at right angles to the traffic while the Laguna left the road, travelled down a grass slope and came to rest against some trees.’
- ‘The 23-year-old was arrested after police in a patrol car heard a scraping noise from his vehicle and looked out to see one of the wheels at right angles to the other.’
- ‘A Ford Fusion, travelling towards Southend, was struck by the bike which had been travelling along a private road at right angles to that road.’
- ‘This should be set with the treadle (the trigger) at right angles to the wall, so that it can be approached from either direction.’
- ‘A hundred yards away, a sorry looking BMW 6-series is parked at right angles to a motorway barrier, forming a makeshift roadblock.’
- ‘But this spectrum is at right angles to the first, generating a person-space with an infinity of different potential placements.’
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