Time period is given determine the base unit of quantity I (AS A level Cambridge international)

This question is selected from the AS A level Cambridge international Physics book. the numerical we solved is
The period of a pendulum of mass M is given by the expression 𝑇=2𝜋√(𝐼/𝑀𝑔ℎ) where g is the gravitational field strength and ℎ is a length. Determine the base unit of quantity l.
some student want to study online and have problems with solving physics numerical. This the question number 2 from the chapter number one (measurement). the solution of this question involves the following steps
1. write the equation time period of the time period.
2. take square on both the sides (the root with cancel with the square)
3. divide and multiply both the sides of the equation with Mgh (m is the mass can be expressed in kg, g is the gravitational acceleration, h is the length of the pendulum,
4. replace the quantities with the base units
5. solve the equation for I (moment of inertia)
finally you will get the base unit of moment of inertia I.

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