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Questions and Answers
In what year was Ulugh Beg's institute in Samarkand founded?
In what year was Ulugh Beg's institute in Samarkand founded?
- 1420
- 1390
- 1409 (correct)
- 1410
How many scientists were teaching and conducting research at Ulugh Beg's institute?
How many scientists were teaching and conducting research at Ulugh Beg's institute?
- 80
- 70
- 50
- 60 (correct)
What was the title of Al-Kashi's Zij, which was based on Nasir al-Din al-Tusi's earlier work?
What was the title of Al-Kashi's Zij, which was based on Nasir al-Din al-Tusi's earlier work?
- Al-Kashi's Tables
- Khaqani Zij (correct)
- Zij-i Ilkhani
- Ulugh Beg's Zij
How many entries were there in Al-Kashi's table of sinus values?
How many entries were there in Al-Kashi's table of sinus values?
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What was the number of edges in the polygon Al-Kashi used to calculate the value of π?
What was the number of edges in the polygon Al-Kashi used to calculate the value of π?
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How many decimal places did Al-Kashi calculate the value of π up to?
How many decimal places did Al-Kashi calculate the value of π up to?
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Where was Jamshid al-Kashi born?
Where was Jamshid al-Kashi born?
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What was the name of the Timurid sultan who founded the institute in Samarkand?
What was the name of the Timurid sultan who founded the institute in Samarkand?
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What was the basis of Al-Kashi's Zij, the Khaqani Zij?
What was the basis of Al-Kashi's Zij, the Khaqani Zij?
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For how long was Al-Kashi's record of calculating π unbroken?
For how long was Al-Kashi's record of calculating π unbroken?
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