# right angle

(redirected from 90 degrees)
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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

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

## right angle

An angle of 90°.
References in periodicals archive ?
The reader's question was about published procedures, but the approach designers have the same restriction that no turns can exceed 90 degrees.
Warm weather can arrive early - it was 90 degrees on May 7 in 1987.
Run the two outside edge boards at 90 degrees to the main decking
Assume a position sideways on a bench with the arm bent at 90 degrees and the lower arm as close as possible to the mid-line of the body.
The flanged edge of a typical panel stands up at about 90 degrees from the panel surface prior to hemming.
Q When I was installing a light fixture recently, I noticed a warning that it should be attached to electrical wires rated for 90 degrees Celsius.
There follows a knight's move through 90 degrees to clear a tubular turnstile and through another 90 degrees again to align yourself with a long, shadowy corridor from which you can hear the trickle of several faucets.
The air bag cover must perform predictably over a temperature range of -40 degrees C to 90 degrees C.
Thus, the phase of the lowpass network relative to the highpass is 90 degrees [+ or -] [OMICRON.
For customers who want increased durability, Planar's PT1520MU features a sturdy deskstand which allows the monitor to be tilted from 0 degrees to 90 degrees.
Specifications : 1 Power - 2200 Watts 2 Power Output -1350 Watts 3 Voltage - 220V 4 No Load Speed - 3800 Rpm 5 Whell Dia - 355 Mm 6 Max Cutting Capacity At 90 Degrees Square Profile - 119Mm X 119Mm 7 Max Cutting Capacity At 90 Degrees Rectangular Profile - 115Mm X 130Mm 8 Max Cutting Capacity At 90 Degrees L-Shape Profile - 137Mm X 137Mm 9 Max Cutting Capacity At 90 Degrees Round Profile - 115Mm 10 Max Cutting Capacity At 45 Degrees Square Profile - 98Mm X 98Mm 11 Max Cutting Capacity At 45 Degrees Rectangular Profile - 115Mm X 98Mm 12 Max Cutting Capacity At 45 Degrees L-Shape Profile - 98Mm X 98Mm 13 Max Cutting Capacity At 45 Degrees Round Profile - 98Mm 14 Spindle Lock - Yes 15 Quick - Lock Vise - Yes 16 Wheel Abor - 1 Inch 17 Weight - 18 Kgs 18 Lenght - 486 Mm 19 Height - 378Mm
This is the silly season, so you can be forgiven for leaving out a key point and twisting things 90 degrees (Political pros twist them 180 degrees, so you're obviously a political amateur).

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