right angle


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right angle

the angle between two radii of a circle that cut off on the circumference an arc equal in length to one quarter of the circumference; an angle of 90? or π/2 radians

right angle

[′rīt ′aŋ·gəl]
(mathematics)
An angle of 90°.

right angle

An angle of 90°.
References in periodicals archive ?
She then noted, "When making the cut, the objective was to make right angles for the corners of the square, so that when the cut part is rotated, it can form a right angle corner for the square.
Take an extra second or two and wipe the excess grease off the right angle fan drive's grease fitting.
At present, Right Angle Media, which started operations in January 2006, has a total outlay of over 900 air-conditioned bus shelters in over 650 locations in Dubai under an exclusive arrangement with the Roads and Transport Authority (RTA).
The 110th bus shelter was opened in the Abu Hail district and reflects Right Angle Media's close coordination with the RTA and DEWA.
In the case of going from two to three dimensions, the third right angle can be shown correctly provided you are working in three-dimensional space; but, if working on paper, it is difficult to show that third direction and capture all the features that characterise a three-dimensional cube.
The company's gearing products include work gears, heavy-duty work gears, Series 1000, 2000 and 3000 helical gearing, helical shaft mounts, parallel shaft reducers, planetary reducers and right angle bevel gearboxes.
The company's product line boasts a wide range of inline, parallel, and right angle speed reducers with solid output and shaft mounted design, from the smallest sub-fractional reducer to several thousand horse-power ratings in size, Brownrigg notes.
The Right Angle Pose to Wall relieves lower back tension and is especially beneficial in the third trimester when the heaviness of the uterus causes lower back muscles to contract.
A student correctly identified and defined a right angle.
Lightnin, Rochester, NY, has launched an expanded line of SR Sanitary Right Angle Drive mixers designed to meet the most stringent requirements for cGMP (Good Manufacturing Practices) facilities.
After variations on the square, the right angle, and parallelism came a period of superimposed frameworks (well represented here by works of various sizes, techniques, and materials--wire mesh, paint, and adhesive tape, among others).
The product line includes vertical, horizontal and right angle grinders, die grinders, chipping hammers, rammers, air saws, air drills, air routers, scalers, power supply motors, wheel guards, collets, SpiraCool pads, butts and peins, bushings, adapters and special accessories.