Orienting Yourself : The Use of Coordinates — Flashcards
CBSE · Class 9 · Mathematics
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What is a system of coordinates?
Answer
A system of coordinates is a structured framework, like the grid lines on graph paper, that helps describe the exact position of points or objects using numbers.
निर्देशांकों की प्रणाली क्या है?
Answer
निर्देशांकों की प्रणाली एक सुव्यवस्थित ढाँचा है, जैसे ग्राफ़ पेपर पर बनी जाली रेखाएँ, जो संख्याओं का उपयोग करके बिंदुओं या वस्तुओं की सटीक स्थिति का वर्णन करने में मदद करती है।…
जालों के इतिहास में सिंधु-सarasvati सभ्यता क्यों महत्वपूर्ण है?
Answer
इसने बड़े शहरी स्तर पर पहली व्यवस्थित जाल-पद्धति का उपयोग किया। शहर की सड़कें North–South और East–West दिशाओं में लगभग 10 metres की नियमित दूरी पर बनाई गई थीं, जो व्यावहारिक जाल-आधारित योजना को दिखाती…
Why is the Sindhu-Sarasvati Civilisation important in the history of grids?
Answer
It used the first systematic grids on a large urban scale. City streets were built in North–South and East–West directions at regular distances of about 10 metres apart, showing practical grid-based p…
Who used East–West and North–South lines for geometric constructions and developed the Baudhāyana–Pythagoras Theorem?
Answer
Baudhāyana did this. His work laid the foundation of coordinate geometry by using perpendicular directions for geometric ideas.
ज्यामितीय रचनाओं के लिए East–West और North–South रेखाओं का उपयोग किसने किया और Baudhāyana–Pythagoras Theorem विकसित किया?
Answer
यह काम Baudhāyana ने किया। उनके कार्य ने ज्यामितीय विचारों के लिए लम्बवत दिशाओं का उपयोग करके निर्देशांक ज्यामिति की नींव रखी।…
प्राचीन निर्देशांक चिंतन में Ujjayinī की क्या भूमिका थी?
Answer
Ujjayinī को उस बिंदु के रूप में वर्णित किया गया था जो केंद्रीय देशांतर मध्याह्न रेखा को चिह्नित करता था, जिससे अन्य स्थानों को मापा जाता था। बाद में यह अरबी भूगोल में Arin नाम से शून्य-देशांतर संदर्भ …
What role did Ujjayinī play in ancient coordinate thinking?
Answer
Ujjayinī was described as the point marking the central longitude meridian from which other locations were measured. It later entered Arabic geography under the name Arin as a zero-longitude reference…
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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