Qualification > Math
urgent help 4 maths paper 4
astarmathsandphysics:
9a)25% since A=0.5base*height and the heights are the same.
b)12.5 since A=base *height for the paralellogram and 1/5base*height for the triangle
c)37.5 since if you cut the kite in half downwards the base is in the ratio 1:3 so shaded area is 75% of the triangle the half this
d)Divide the traezium into 3 triangles then ans=60%
astarmathsandphysics:
bi)20/180*100%
ii)pi*1^2/pi*5^2*100%=4%
ii)(pi3^2-pi2^2)/pi3^2=5/9=55.6%
godfather93:
thanks! :D I understand the question now. I was making a silly mistake.
godfather93:
oh. I'm stuck again at the same question. I don't get how to calculate the shaded area of diagram 4. That is a bit tricky.
Wahab09:
dude stop stressin urself out.. this paper was ages ago its unlikely a question like that will come up..
they like to put a lil sequences ques at the end lately and theres many topics that didnt come on p2 that MUST come on p4 so theres no room for silly questions like these ::)
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version