NCERT Maths Important Notes

NCERT Maths Important Notes

NCERT Maths Important Notes को आज हम पढ़ेगे ।

(1) बिन्दू :- एक ऐसी गोल आकृति जो जिसकी त्रिज्या को नापा न जा सके, वह बिन्दु है । [Point :- A circular shape whose radius cannot be measured is a point.]

(2) किरण:- दो बिन्दुओं के मध्य की अनन्त बिन्दुओं के समूह को किरण कहते है । [Ray: – The group of infinite points between two points is called a ray.]

(3) रेखा :- किरण किसी एक बिन्दु से अनन्त दूरी तक जाती हो, वह रेखा है । [Line :- A ray going from a point to an infinite distance is a line.]

(4) कोण :- दो रेखा किसी एक ही बिन्दु से निकलने से बनने वाली आकृति को, कोण कहते है । [Angle: – The shape formed by two lines coming out of a single point is called an angle.]

(5) त्रिभुज :- तीन रेखाखण्डों से बंद (घिरी) हुई आकृति को, त्रिभुज कहते है या तीन कोण से बनी आकृति को, त्रिभुज कहते है । [Triangle :- A figure enclosed by three line segments is called a triangle or a figure made of three angles is called a triangle.]

(6) चतुर्भुज :- चार रेखाखण्डों से बंद (घिरी) हुई आकृति को, चतुर्भुज कहते है या चार कोण से बनी आकृति को, चतुर्भुज कहते है । [Quadrilateral: – A figure enclosed by four line segments is called a quadrilateral or a figure made of four angles is called a quadrilateral.]

(7) पंचभुज :- पाँच रेखाखण्डों से बंद (घिरी) हुई या पाँच कोण से बनी आकृति को, पंचभुज कहते है । [Panchbhuj: – The closed (surrounded) by five line segments or the shape made of five angles, is called Panchbhuj.]

(8) षड्भुज :- छः रेखाखण्डों से बंद (घिरी) हुई या छः कोण से बनी आकृति को, षड्भुज कहते है । [Hexagon :- A figure closed (surrounded) by six line segments or made of six angles is called a hexagon.]

(9) आयत :- चार रेखाखण्डों से बनी बंद आकृति, जिसके प्रत्येक कोण 90° का हो और जिसकी आमने सामने की भुजा बराबर हो, उसे आयत कहते है । [Rectangle :- A closed figure made of four line segments, each of whose angles is 90° and whose opposite sides are equal, is called a rectangle.]

(10) वर्ग :- चार रेखाखण्डों से बनी बंद आकृति, जिसके प्रत्येक कोण 90° का हो और जिसकी चारों भुजाएँ बराबर हो, उसे आयत कहते है । [Square: – A closed figure made of four line segments, each of whose angles is 90° and whose four sides are equal, is called a rectangle.]

NCERT Class 6 Sanskrit National Councial of Educational Research & Training