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I'm Up and Down, and Round and Round

CBSE · Class 9 · Mathematics

Flashcards for I'm Up and Down, and Round and Round — CBSE Class 9 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

90 questions84 flashcards5 concepts

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84 Flashcards
Card 1वृत्त की मूल बातें

वृत्त क्या होता है?

Answer

वृत्त किसी समतल पर स्थित उन सभी बिन्दुओं का समुच्चय है जो किसी निश्चित बिन्दु से समान दूरी पर हों। वह निश्चित बिन्दु केन्द्र होता है और समान दूरी त्रिज्या होती है।

Card 2Circle basics

What is a circle?

Answer

A circle is the set of all points on a plane that are equidistant from a given fixed point. That fixed point is the centre, and the common distance is the radius.

Card 3Circle basics

What is the centre of a circle?

Answer

The centre is the fixed point from which every point on the circle is at the same distance. If the circle has centre A, then all points on the circle are equally far from A.

Card 4वृत्त की मूल बातें

वृत्त का केंद्र क्या होता है?

Answer

केंद्र वह निश्चित बिन्दु है जिससे वृत्त पर स्थित प्रत्येक बिन्दु समान दूरी पर होता है। यदि वृत्त का केन्द्र A है तो वृत्त पर स्थित सभी बिन्दु A से समान दूरी पर होते हैं।

Card 5वृत्त की मूल बातें

वृत्त की त्रिज्या क्या होती है?

Answer

त्रिज्या (radius) वृत्त के केन्द्र से वृत्त के किसी बिन्दु की दूरी होती है। एक ही वृत्त की प्रत्येक त्रिज्या की लम्बाई समान होती है।

Card 6Circle basics

What is the radius of a circle?

Answer

The radius is the distance from the centre to any point on the circle. Every radius of the same circle has the same length.

Card 7Circle basics

What is a chord of a circle?

Answer

A chord is a line segment joining any two points on the circle. For example, if B and C lie on the circle, then BC is a chord.

Card 8वृत्त की मूल बातें

वृत्त की जीवा क्या होती है?

Answer

ज्या वृत्त पर स्थित किन्हीं दो बिन्दुओं को जोड़ने वाला रेखाखण्ड होता है। उदाहरण के लिये यदि B और C वृत्त पर स्थित हैं तो BC एक ज्या है।

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Frequently Asked Questions

What are the important topics in I'm Up and Down, and Round and Round for CBSE Class 9 Mathematics?
I'm Up and Down, and Round and Round covers several key topics that are frequently asked in CBSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in I'm Up and Down, and Round and Round — CBSE Class 9 Mathematics?
Understand the core concepts first, then work through the 90 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many flashcards are available for I'm Up and Down, and Round and Round?
There are 84 flashcards for I'm Up and Down, and Round and Round covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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