Question

18. किसी वृत्त के एक त्रिज्यखण्ड (Sector) का परिमाप तथा उसी त्रिज्या वाले अर्द्धवृत्त के चाप की लम्बाई बराबर है। त्रिज्यखण्ड का कोण डिग्री-मिनट-सेकण्ड में ज्ञात कीजिए।​

Answer 1

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The Greeks are credited with putting map making on a sound mathematical footing. The earliest Greek known to have made a map of the world was Anaximander. In 6th century BC, he drew a map of the then known world, assuming that the earth was cylindrical

Answer 2

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• A democracy is a system where people can change their rulers in a peaceful manner and the government is given the right to rule because the people say it may.

Noi pta hehe -,-!