Measurements math secondary school education

Measurements Secondary school education teaching international system units measurements ( part 1)

Hello viewer's Assalamu alaykum I hope that all fine . Today discussing shall be international system unit .

১/ C.G.S System:⇒
  C.G.S meaning of method, c.m , gm, second it's system of metres

2/ M.KS system
  M.K.S it's meaning km, second. It's metre balanced
3/ F.P.S system
    F.P.S meaning of method fit , pound and second
  C.G.S           M.K.S         F.P.S
 Length       c.m.             fit
 Weight       gm              kg    pound
 Time    =    second
S.I  System:
Stat from  in 1960 in the word same processing all over the country system of (SI) Balanced . it's International System of Units . (S.I) Decided all over the country worldwide in 1982 use of  SI system length , weight,
⇒ meaning of metre
⇒ 1 metre = distance 1 core  divided 1.
Local system: (Local System)
⇒ 12   (Inch)  = 1  (foot)
⇒ 3     (Feet)   = 1 (yard)
⇒1760(Yard)  = 1 (mile)
( British system for measuring land)
⇒ 7.92  (inch)  = 1  ( link)
⇒ 25     (link)   =  1    (Rod)
⇒ 4       (Rod)   =  1 (Chain)
⇒ 10   (Chain) =  1(farling)

⇒ 8 (farlong)= 1 (mile)
(Relationship between British and metric System)
⇒ 1  (inch ) = 2.54 (c.m)
⇒ 39.37 (inch)  = 1 (metre)
⇒ 1        ( mile) = 1.61( k.m)
⇒ 0.62   ( mile) = 1 (k.m)
Balanced of sea  :
          British & US
⇒ 6 Feet = 1 fathom            = 1.8288 metres
⇒ 608 feet = 1 cable.           = 185.313 metres
⇒ 6080 feet = 1 sea(n.m)    = 1853.18 metres
⇒ 60 sea mile = 1 degree
⇒ 360 degree = 1circle
Note
1 Noticeable mile  = 2025 yeard
1 Noticeable mile = 1853.18 metre = 1.85318 km
1 Noticeable = 1.15 mile
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