check the correctness of the equation,
![t = 2\pi \sqrt{g \div l} t = 2\pi \sqrt{g \div l}](https://tex.z-dn.net/?f=t+%3D+2%5Cpi+%5Csqrt%7Bg+%5Cdiv+l%7D+)
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Answer:
Explanation:
- correct
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