Question

si unit of plane angle is​

Answer 1

Answer:

hi

Explanation:

unit

Answer 2

Answer:

radian

Explanation:

That is, because plane angle is expressed as the ratio of two lengths, and solid angle as the ratio of an area and the square of a length, the SI derived unit for plane angle is m/m = 1, and the SI derived unit for solid angle is m2/m2 = 1.

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