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Gurmeet Singh posted an Question
October 02, 2020 • 00:08 am 30 points
  • IIT JAM
  • Geology (GG)

Calculate the angle between the (111) and (200 planes 5475

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    Rahul kumar best-answer

    Let's consider that the angle between plane (111) and (200) is theta. cos(theta)= (1×2 + 1×0 + 1×0) / [sqrt(3).sqrt(4)] = 2 / (1.732 × 2) = 1 / 1.732 = 0.577 theta= cos-inverse (0.577)= 54.76° So, the angle between between planes (111) and (200) is 54.76°

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    Sajan sarthak Best Answer

    See the formula and answer

    cropped1622184936885142654.jpg
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    dodecahedron me angle kitna hota hai sir in adjacent faces

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    dear gurmeet sending you a link to study the proper things http://www.treenshop.com/Treenshop/ArticlesPages/FiguresOfInterest_Article/The%20Dodecahedron.htm#:~:text=In%20a%20dodecahedron%2C%20all%20of,is%20%2C%20where%20n%20is%205.&text=and%20so%20q%20%3D%20116.57%20degrees,dodecahedron%20is%20about%20116.57%20degrees.

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    please mark answered the previous question too

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