SI unit of plane angle is
degree
radian
newton
watt
Answers
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Answer:
radian is SI unit of plane angle
Answered by
0
Answer:
radian
Explanation:
- The radian is the plane angle subtended at the centre of a circle by an arc equal in length to its radius. The steradian is the solid angle subtended at the centre of a sphere by an area on its surface equal to its radius squared.
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