Question

Who was Al-biruni?
How are his writings helpful to us ?
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Answer 1

Answer:

Important contributions to geodesy and geography were also made by al-Biruni. He introduced techniques to measure the earth and distances on it using triangulation. He found the radius of the earth to be 6339.

Profession: Astronomer, Scholar, Linguist

Research areas: Mathematics, Astronomy

Explanation:

Answer 2

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