Qualification > Sciences
Maths & Physics Help
SGVaibhav:
do we have to draw reflected ray?
it is not clear in markscheme
astarmathsandphysics:
Yes, it is in the question and label it XYZ
SGVaibhav:
Thank You
:D
zubair_slipknot:
hey everybody
i was having a problem in the may june paper 4 2008 question no.1 (the ratio one of Cairo and Addis Ababa)
can someone help me out in this even though i am good at maths i dunnno why i am not getting it ryt...
1(a) The scale of a map is 1:20 000 000
On the map, the distance between cairo and Addis Ababa is 12cm.
(i) Calculate the distance,in Km, between Cairo and Addis Ababa.
(ii) On the map the area of a desert regionis 13 square centimetres
Calculate the actual area of this desert region, in square Km
(b) (i) The actual distance between Cairo and Khartoum is 1580Km.
On a diffrent map this distance is represented by 31.6cm.
Calculate, in the form 1:n, the scale of this map.
thx for help and support if anyone can do this as soon as possible...
sweetsh:
You dont have to post your question everywhere!
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