Qualification > Math
IGCSE MATHS Doubts
Amberr:
--- Quote from: mohit1234 on May 13, 2010, 09:33:51 am ---ya i got 16.25
and the sinx and cosx thing was 66
but fr the white paint thing i got 12pi which is something like 37.3
do u remember the white paint question(could u plz tell me)
--- End quote ---
it was like we hade to work out the length of the minor arcs.. times it by 4...
and then add it to the circumference of the small circle.. radius 8 cm.. soo yeahh i got like 88.0
mohit1234:
--- Quote from: Amberr on May 13, 2010, 09:35:44 am ---it was like we hade to work out the length of the minor arcs.. times it by 4...
and then add it to the circumference of the small circle.. radius 8 cm.. soo yeahh i got like 88.0
--- End quote ---
oh no!
i only calculated the length of the arcs and multiplied by 4...hw many marks was the question?
hw much do u think i will get for tht question??
Amberr:
okk guyss.. talk to u all l8r...
gotta go study for paper 4... which is gonna kill me... OHHH
OHH and u know the inequalitys.. where did u put the R..???? like on the left side ryt.. not in the middle ryt???
saleemsamer:
--- Quote from: Amberr on May 13, 2010, 09:35:44 am ---it was like we hade to work out the length of the minor arcs.. times it by 4...
and then add it to the circumference of the small circle.. radius 8 cm.. soo yeahh i got like 88.0
--- End quote ---
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I got 88 too :D
Amberr:
--- Quote from: mohit1234 on May 13, 2010, 09:38:06 am ---oh no!
i only calculated the length of the arcs and multiplied by 4...hw many marks was the question?
hw much do u think i will get for tht question??
--- End quote ---
i think it was 4 or 5 marks.. umm ull probably get like 3.. or sumthing..i have no idea.. :S
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