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    some maths rules for sixth grade

    شاطر

    esraao

    عدد المساهمات : 18
    تاريخ التسجيل : 18/12/2009
    العمر : 19

    some maths rules for sixth grade

    مُساهمة  esraao في الأحد يناير 31, 2010 3:49 am

    [size=18]1-[*]center]the volume is every thing occupies apart of the space
    2- the unit of measuring volume is cubic centimeter
    3-volume of cuboid =length × width × height
    4- volume of cuboid =area of the base×the height
    5- area of the base = volume ÷height
    6- height= volume ÷ area base
    7. Volume of cube = side x side x side
    8. Cube is a cuboid its sides are equal
    9. liter is the unit of measuring capacity.
    10. Lateral surface area of cuboid = perimeter of the base xheight
    11.perimeter of the base = lateral area ÷ height
    12. the height = lateral area ÷ perimeter of the base
    13. Total area of cuboid = lateral area + twice area of base
    14. Total area of cube = area of one face x 6
    15. Lateral area = area of one face x 4
    16. Cube has 12 sides
    17. cube of 6 faces, 8 vertices and its face is square in shape
    18. Ton = 1000 k.g
    19. Feddan = 24 kirat
    20. Kirat = 24 sahm
    21. k.g = 1000 gm
    22. Hour = 60 min
    23. min. = 60 seconds
    24. one week = 7 days
    25. the year = 365 days
    26. The month = 30 days
    27. k.m = 1000 m
    28. m = 100 cm
    29. dcm = 10 cm
    30. We can draw the triangle if we know length of its 3 sides
    31. heights of acute angle triangle intersect inside it.
    32. Height of obtuse angle triagnle intersect outside it.
    33. Height of right triangle intersect at 90o vertex.
    34. Heights of any triangle interscts at one point.
    35. Any triangle has 3 heights
    36. area of triangle = 0.5× base × hieght
    37. the base =2 ×area of tria. ÷hieght
    38.the height =2 ×area of tria. ÷ the base




    science

    عدد المساهمات : 23
    تاريخ التسجيل : 01/12/2009

    شكرا على المشاركة المتميزة

    مُساهمة  science في الخميس فبراير 11, 2010 6:21 am


      الوقت/التاريخ الآن هو الأربعاء ديسمبر 07, 2016 9:18 am