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Edexcel IGCSE Maths A Paper 2HR 6th June 2019 - Unofficial Markscheme

Hi,
Feel free to post your answers here to check!

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OP

3D Trig: I got 59.5
Probability(Last Question): 25
Perimeter of Sector: 20.1
Volume of bottle: 600
Indices('b' section): n=x-2y
The triangle where Pythagoras and SOHCAHTOA was used: 2.21(Can't remember exactly)
Circle Theorems: 41
Equation of the Line: y=-2x-1
Domain excluded: 0.75
fg(x): (x-5)/(4x-23)
f inverse: 3x/(4x-1)
Gradient when x=-0.5: 7.3
Conversion: 0.0525m^2
Similar Triangles: 30
Completing the Square: 23-2(x+3)^2(Can't remember exactly)

(edited 4 years ago)

I got 41 for circle theorems

OP

Same. Did you get any other similar answers?

Original post by hehe_x

I got 41 for circle theorems

(edited 4 years ago)

i think it was 2.21 for the sohcahtoa

I got 6.11 for the gradient and 69.0 for the 3d trig

there will probably be range for the gradients

I got 60 something for the 3D trig , I did tan angle times 13 over 5 root 2.

I got 41 for CT too.
Everything else looks like I got the same

do you guys think 160 will be a 9

more, just by a little

Original post by edexcle010202

do you guys think 160 will be a 9

same as you for everything else except 3d trig - kicking myself for it lol I forgot the formula for an isosceles triangle

Original post by TestTaker123

Same. Did you get any other similar answers?

Original post by ahmed8542

I got 6.11 for the gradient and 69.0 for the 3d trig

I got 7.5 for gradient and 61.4 or something for the trig

Anybody remember their answers for the similarity questions ? Apparently there was a disguised conversion?

wait so what did yall get for line AB on the two triangle ones

yeah - for part 1 i got 30 then the second part was like 0.0525 or something

Original post by MSYED777

Anybody remember their answers for the similarity questions ? Apparently there was a disguised conversion?

Don't remember but i think 2.21?

Original post by Mumu123

wait so what did yall get for line AB on the two triangle ones

Why 0.525? What was the answer. I remember 84 on one question and somethi ngf else on the other

yesss thank you, i wasnt sure

Original post by hehe_x

Don't remember but i think 2.21?

OP

Let's hope so

Original post by Mumu123

there will probably be range for the gradients

OP

I got 0.0525 too

Original post by hehe_x

yeah - for part 1 i got 30 then the second part was like 0.0525 or something

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