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| 1. |
6 c.m radius wale ek circle ke ek trijyakhand ka area gyat kijiye. Jiska angle 60 degree hai |
| Answer» We know that Area of sector ={tex}\\frac { \\theta } { 360 } \\pi r ^ { 2 }{/tex}\xa0Here,\xa0{tex} \\theta = 60 , r = 6{/tex}{tex}\\therefore{/tex} Required area {tex}= \\frac { 60 } { 360 } \\times \\frac { 22 } { 7 } \\times ( 6 ) ^ { 2 }{/tex}{tex}= \\frac { 1 } { 6 } \\times \\frac { 22 } { 7 } \\times 36{/tex}{tex}= \\frac { 22 \\times 6 } { 7 }{/tex}{tex}= \\frac { 132 } { 7 } = 18 \\frac { 6 } { 7 } c m ^ { 2 }{/tex} | |