Question
Wed May 16, 2012 By: Muskan
besides 7 base units there are 2 other units defined as
a) plane angle d

WHAT DOES THIS MEAN

Expert Reply
Wed May 16, 2012
Plane angle: An angle formed by two straight lines in the same plane. and it is an angle between two intersecting lines.
 
Solid angle: An angle formed by three or more planes intersecting at a common point and it is a three-dimensional angle, formed by three or more planes intersecting at a common point. Its magnitude is measured in steradians, a unitless measure.
 
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