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IGCSE MATHS Doubts

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Ghost Of Highbury:

--- Quote from: Baladya on May 11, 2010, 10:44:36 am ---If we want to calculate lower and upper bound of lets say 6-4.
For upper bound we minus 6.5 minus 3.5 and for lower bound 5.5 - 4.5?

Thanks

--- End quote ---

explain clearly plz.

wat is "6-4" do u mean "6.4" ??

wat do u mean by " minus 6.5 minus 3.5"

Adzel:

--- Quote from: Baladya on May 11, 2010, 10:44:36 am ---If we want to calculate lower and upper bound of lets say 6-4.
For upper bound we minus 6.5 minus 3.5 and for lower bound 5.5 - 4.5?

Thanks

--- End quote ---

+ 0.5 to upper bound -->  6.5 - 4.5

- 0.5 to lower bound  -->  5.5 - 3.5

Baladya:

--- Quote from: A@di on May 11, 2010, 10:55:17 am ---explain clearly plz.

wat is "6-4" do u mean "6.4" ??

wat do u mean by " minus 6.5 minus 3.5"



--- End quote ---

K Adzel :D Thanks :P

Aodi, my bad :P

Adzel:

--- Quote from: A@di on May 11, 2010, 10:48:29 am ---attached.

PQS = 80 degree.

Angle PQS = Angle PRS

the chord circumference rule.

QPR = 180 - 80 - 33 = 67 degree. (Angle Sum property)

PSQ => PXS = 147 (180-33). PSX = 180 - 147 - 21 = 12 degree. 

--- End quote ---

Thanks A@di...

Ghost Of Highbury:
ur welcome

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