Show Course NCERT Class 12Class 11Class 10Class 9Class 8Class 7Class 6 IIT JEE Exam JEE MAINSJEE ADVANCEDX BOARDSXII BOARDS NEET Neet Previous Year (Year Wise)Physics Previous YearChemistry Previous YearBiology Previous YearNeet All Sample PapersSample Papers BiologySample Papers PhysicsSample Papers Chemistry Download PDF's Class 12Class 11Class 10Class 9Class 8Class 7Class 6 Exam CornerOnline ClassQuizAsk Doubt on WhatsappSearch DoubtnutEnglish DictionaryToppers TalkBlogJEE Crash CourseAbout UsCareerDownloadGet AppTechnothlon-2019 Logout Login Register now for special offers +91 Home > English > Class 10 > Maths > Chapter > Areas Related To Circles > In a circle of radius 21 cm, a... Updated On: 27-06-2022 UPLOAD PHOTO AND GET THE ANSWER NOW! Text Solution Answer : `40.26 cm^(2)` Answer Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams. Related Videos9092 0 9.0 K 4:39 In a circle a radius 21 cm. An arc subtends an angle `60^@` at the centre (i) the length of an arc. (ii) are of the sector formed by the arc (iii) the area of the segment made by this arc. 646954803 0 3.9 K 4:44 In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. Find (i) the length of arc (ii) area of the sector formed by arc (iii) area of the minor segment formed by the arc. 571222812 0 7.7 K 6:08 In a circle of radius 21 cm, an arc subtends an angle of `60^o`at the centre. Find:(i) the length of the arc (ii) area of the sector formed by the arc (iii) area of the segment formed by the corresponding chord 642911154 0 2.4 K 1:47 In a circle of radius 21 cm, an arc subtends an angle of `60^@` at the centre. Find area of the sector formed by the arc. 642909619 0 4.3 K 2:26 In a circle of radius 21 cm, an arc subtends an angle of `60°` at the centre. Find : area of the sector formed by the arc <br> <img src="https://doubtnut-static.s.llnwi.net/static/physics_images/MBD_MAT_19_01_X_P3_E01_036_Q01.png" width="80%"> 203474977 0 2.2 K 1:06 In a circle of radius 21 cm, an arc subtends an angle of `60^(@)` at the centre. Find area of the sector formed by the arc. Show More Comments Add a public comment... Follow Us: Popular Chapters by Class: Class 6 AlgebraBasic Geometrical IdeasData HandlingDecimalsFractions Class 7 Algebraic ExpressionsComparing QuantitiesCongruence of TrianglesData HandlingExponents and Powers Class 8 Algebraic Expressions and IdentitiesComparing QuantitiesCubes and Cube RootsData HandlingDirect and Inverse Proportions Class 9 Areas of Parallelograms and TrianglesCirclesCoordinate GeometryHerons FormulaIntroduction to Euclids Geometry Class 10 Areas Related to CirclesArithmetic ProgressionsCirclesCoordinate GeometryIntroduction to Trigonometry Class 11 Binomial TheoremComplex Numbers and Quadratic EquationsConic SectionsIntroduction to Three Dimensional GeometryLimits and Derivatives Class 12 Application of DerivativesApplication of IntegralsContinuity and DifferentiabilityDeterminantsDifferential Equations Privacy PolicyTerms And Conditions Disclosure PolicyContact Us 13 21cm त्रिज्या वाले वृत्त के उस चाप की लम्बाई क्या होगी जो वृत्त के केन्द्र पर 60 (@) का कोण अन्तरित करता है?"=22" सेमी.
चाप की लंबाई कैसे निकाले?चाप की लम्बाई. कोण, चाप की लंबाई, और त्रिकोणमिती फलन — कठिन उदाहरण अभ्यास करें: चाप की लम्बाई वृत्त की परिधि निकालें अगर क्षेत्रफल दिया हुआ है अभ्यास करें: चाप वाली आकृतियों का परिमाप. एक वृत्त के त्रिज्यखंड और वृत्तखंड के क्षेत्रफल. त्रिज्या खंड का क्षेत्रफल क्या होता है?एक वृत्त के त्रिज्यखंड को ज्ञात करने का हल किया हुआ उदाहरण जिसमे वृत्त के क्षेत्रफल और त्रिज्यखंड के केंद्रिय कोण का प्रयोग किया गया है।
यदि वृत्त की त्रिज्या 5% तक बढ़ा दी जाए तो उसके क्षेत्रफल में कितनी वृद्धि होगी?एक बेलन का कुल पृष्ठीय क्षेत्रफल = 2nr (r + h), जहाँ r त्रिज्या और h ऊँचाई है।
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