R 2017-10-05T15:31:07+00:00
RADIAL – (adjective) means coming from the centre like the radii of a circle. “The wheel of an ox wagon has radial spokes.” See diagram 51. RADIAN – (noun) A radian is a measure of angle. A radian is equal to about 57 degrees. A radian is the angle at the centre of a circle […]
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