Question

3) I of a 3
3a i need answer for this question​

Answer 1

Answer:

1×a3

Step-by-step explanation:

i think 1×a3 is the answer because of means ×a3

Answer 2

The following is a list of second moments of area of some shapes. The second moment of area, also known as area moment of inertia, is a geometrical property of an area which reflects how its points are distributed with regard to an arbitrary axis. The unit of dimension of the second moment of area is length to fourth power, $L^{4}$, and should not be confused with the mass moment of inertia. If the piece is thin, however, the mass moment of inertia equals the area density times the area moment of inertia.

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