Maths, Addmaths and Statistics: Post your doubts here!

[MustafaMotani]

nain...agar pata hota to puchta??

phir yahi ans hai
cylinder wid height 10 cm and radius 3 cm

 

[ashiqbal]

(c) A and B are two points in space which are 10 cm apart.
Describe fully the locus of points in three dimensions that are 3 cm from the line
which starts at A and ends at B.

cylinder with height 10 cm and radius 3 cm

 

[HarisLatif]

phir yahi ans hai
cylinder wid height 10 cm and radius 3 cm

the same answer is written in the redspot pastpapers, it's correct

 

[MustafaMotani]

the same answer is written in the redspot pastpapers, it's correct

 

[Spidey21]

cylinder with height 10 cm and radius 3 cm

what do i write???
er mein hemispheres ka bhe kuch diya hua hai!!

 

[ashiqbal]

what do i write???
er mein hemispheres ka bhe kuch diya hua hai!!

hmm... yes, forgot that! two hemispheres at the end of the cylinder that have radius of 3 cm each! point A and B sai 3 cm kai distance kai loci to yehi hongay.

 

[MustafaMotani]

http://www.xtremepapers.com/papers/CIE/Cambridge International O Level/Mathematics D (Calculator Version) (4024)/4024_w11_qp_22.pdf question 3 part b

AOB = 72 ( q k ye circle 5 equal sectors mein divided hai 360/5)
OAC aur OBC 90 degrees hai q k line OB aur OC are tangent
then ACB = 360 - 90 - 90 - 72 = 108
so reflex ACB = 360 - 108 = 252

ii) Perimeter = 252/360 x 2pieR x 5 (multiplying by 5 q k paanch circles hai)
= 7 pie r
k=7

 

[Spidey21]

http://www.xtremepapers.com/papers/CIE/Cambridge International O Level/Mathematics D (Calculator Version) (4024)/4024_w11_qp_22.pdf question 3 part b

you got the answer??
well its simple you divide 360 by 5 and you ll get the angle AOB
then 180-AOB
and 360-ACB
answer is 252*

 

[MustafaMotani]

what do i write???
er mein hemispheres ka bhe kuch diya hua hai!!

tum imagine karo answer tumhe mil jae ga.

 

[MustafaMotani]

yaha koi accounts ka student hai.. ?

 

[Spidey21]

tum imagine karo answer tumhe mil jae ga.

meri imagination agar itne strong hoti to mein linkin park ka member hota..jk..LOL!!

 

[MustafaMotani]

meri imagination agar itne strong hoti to mein linkin park ka member hota..jk..LOL!!

xD

 

[Spidey21]

yaha koi accounts ka student hai.. ?

you got accounts??

 

[MustafaMotani]

you got accounts??

ha yar ..

 

[Spidey21]

ha yar ..

koi baat nain
hojata hai kabhe kabhe!!

 

[HarisLatif]

AOB = 72 ( q k ye circle 5 equal sectors mein divided hai 360/5)
OAC aur OBC 90 degrees hai q k line OB aur OC are tangent
then ACB = 360 - 90 - 90 - 72 = 108
so reflex ACB = 360 - 108 = 252

ii) Perimeter = 252/360 x 2pieR x 5 (multiplying by 5 q k paanch circles hai)
= 7 pie r
k=7

i was done with part ii. couldn't carry out the first but now i have got it ! thankyou

 

[MustafaMotani]

i was done with part ii. couldn't carry out the first but now i have got it ! thankyou

n.p...

 

[HarisLatif]

Another question please
http://www.xtremepapers.com/papers/...Calculator Version) (4024)/4024_w10_qp_11.pdf question 5 part a. i have shaded the square between the two already shaded ones and it also give one line of symmetery but the mark schemes shades a different one this is mark scheme http://www.xtremepapers.com/papers/...Calculator Version) (4024)/4024_w10_ms_11.pdf.

 

[ahmed.shaikh]

Im looking for any tips and notes on Transformations, something jo saara cover karay, im really weak at it, and need to revise it asap!!

 

[MustafaMotani]

Another question please
http://www.xtremepapers.com/papers/CIE/Cambridge International O Level/Mathematics D (Calculator Version) (4024)/4024_w10_qp_11.pdf question 5 part a. i have shaded the square between the two already shaded ones and it also give one line of symmetery but the mark schemes shades a different one this is mark scheme http://www.xtremepapers.com/papers/CIE/Cambridge International O Level/Mathematics D (Calculator Version) (4024)/4024_w10_ms_11.pdf.

I dont think that ur shading gives any line of symmetry, ms wala sahe hai !!
us mein diagonal de raha hai line of symmetry